CH 17 - MECHANICAL WAVES & SOUND. Sec Mechanical Waves
|
|
- Bryce Park
- 6 years ago
- Views:
Transcription
1 CH 17 - MECHANICAL WAVES & SOUND Sec Mechanical Waves Mechanical Wave - disturbance in matter that carries energy from one place to another. Mechanical waves require matter called a MEDIUM to travel through A medium can be solid, liquid or gas A mechanical wave is created when a source of energy causes a vibration to travel through a medium. 1
2 3 TYPES OF MECHANICAL WAVES: 1) TRANSVERSE - a wave that causes the medium to vibrate at right angles (perpendicular) to the direction in which the wave travels. o o o Shaking a rope up and down Crest = highest point from rest position Trough = lowest point below rest position 2
3 2) LONGITUDINAL WAVE- a wave in which the vibration of the medium is PARALLEL to the direction the wave travels; sound waves are this type Created by pushing and pulling in one direction Compression = area where particles are spaced close together Rarefaction = area where particles are spread out P waves ( primary waves ) caused by earthquakes 3
4 4
5 3) SURFACE WAVE- a wave that travels along a surface separating two media. Ocean waves Combination of transverse and longitudinal causes a bobber on the surface to move in a circle in deep water When ocean waves enter shore they topple over themselves because friction with the shore slows down the bottom of the wave. 5
6 Sec PROPERTIES OF MECHANICAL WAVES Periodic motion - any motion that repeats at regular intervals Period - the time required for one cycle (time between 2 successive crests or compressions) Frequency - the number of complete wave cycles in a given time (cycles per second = hertz (Hz) Frequency = frequency of the vibration source producing the wave 6
7 Wavelength- the distance between a point on one wave and the same point on the next cycle of the wave (crest to crest or compression to compression.) Increasing the frequency of a wave decreases wavelength. its 7
8 Amplitude - maximum displacement of the medium from its rest position (height of wave) o The more energy a wave has the greater its amplitude! o In longitudinal waves the amplitude is the maximum displacement of a point from its rest position 8
9 Speed of wave = wavelength x frequency V = λ f Speed = wavelength x frequency The speed of a wave can change if it enters a new medium or if pressure and temperature change. If not told otherwise, assume waves are traveling at a constant speed. Therefore, wavelength is inversely proportional to frequency. 9
10 Try these: 1) The waves in a pool have a wavelength of 0.20 m and a frequency of 2.8 Hz. What is the speed of these waves? 10
11 2) A student moves the end of a soft spring back and forth to make waves. The waves travel at 1.8 m/s and have a wavelength of 1.2 m. What is the frequency of these waves? 11
12 Sec BEHAVIOR OF WAVES 1) REFLECTION - occurs when a wave bounces off a surface that it cannot pass through. Reflection does not change the speed or frequency of a wave, but the wave can be flipped upside down if the reflection occurs at a fixed boundary. 12
13 2) REFRACTION- the BENDING of a wave as it enters a new medium at an angle; occurs because one side of the wave moves more slowly than the other side. If ocean wave fronts approach the shore at an angle they will refract because one side of the wave moves more slowly than the other side. 13
14 3) DIFFRACTION - Bending of a wave as it moves around an obstacle or passes through a narrow opening. A wave diffracts more if its wavelength is large compared to the size of an opening or obstacle 14
15 4) INTERFERENCE - Occurs when two or more waves OVERLAP and combine together 1. CONSTRUCTIVE INTERFERENCE - When two or more waves combine to produce a wave with a larger displacement (amplitude.) 2. DESTRUCTIVE INTERFERENCE - When two or more waves combine to produce a wave with smaller displacements (amplitude.) 15
16 Chromatic interference is seen in sea foam, which is made out of Plankton. It is an example of the naturally occurring interference
17 17
18 STANDING WAVES - A wave that appears to stay in one place, not travel through the medium When a wave is created and its reflected wave interferes with it perfectly. Plucking a guitar string produces a standing wave NODE - point on standing wave that has NO displacement (no movement) from resting position due to complete destructive interference. 18
19 ANTINODE - point on standing wave were a crest or a trough occurs midway between two nodes. Maximum displacement due to complete constructive interference. A standing wave forms ONLY if half of a wavelength or a multiple of half a wavelength fits EXACTLY into the length of a vibrating cord. 19
20 How many wavelengths does this standing wave have? How many nodes? antinodes? 20
21 Sec Sound & Hearing Sounds waves --> longitudinal waves that travel through a medium Properties of sound waves: 1) Speed --> 342 m/s in dry, 20 o C air; speed varies depending on the medium. Sound waves tend to travel fastest in solids, slower in liquids and slowest in gases because the distance between particles is greatest in gases. Both density and elasticity of the particles affect speed. 21
22 2) Intensity --> rate at which a wave s energy flows through a given area; depends on both the wave s amplitude & distance from the sound source. Intensity is measured in decibels. For every 10 decibel increase, the intensity increases tenfold Sound Intensity level(decibels) Human Hearing threshold 0 Whisper Normal conversation Street noise Inside a bus Operating heavy machinery Rock concert Threshold of pain 120 Jet plane taking off
23 3) Loudness --> physical response to the intensity of sound; is subjective as it depends on ear health and brain interpretation 4) Pitch --> how the frequency of sound is perceived; remember that frequency is how fast the wave is vibrating. High pitch sounds have a high frequency. Low pitch sounds have a low frequency. Humans typically hear between 20-20,000 hertz. Ultrasound --> frequencies greater than 20,000 hertz; beyond range of human hearing. Sonar = SOund NAvigation & Ranging; uses the speed of sound in water and the time that the sound takes to reach an object and the bounce back from the object (echo); also called echolocation; uses ultrasound frequencies. 23
24 Ex: A submarine uses SONAR to measure the distance to the bottom of the ocean. If an ultrasound signal is sent and it takes 7 seconds to receive the echo, how far away is the bottom of the ocean? (speed of sound in water = 1546 m/s) distance= speed x time 24
25 Doppler Effect --> a change in sound frequency caused by motion of the sound source, motion of the listener, or both. As a source of sound approaches, an observer hears a higher frequency. When the sound moves away, the observer hears a lower freqency. Observer B will hear a higher pitch because the waves are bunched together while Observer A will have a lower pitch because the waves are spread apart &ei=gdqessgdgya4rqlwlnnpag&q=doppler+effect&hl=en 25
CH 17 - MECHANICAL WAVES & SOUND. Sec Mechanical Waves
CH 17 - MECHANICAL WAVES & SOUND Sec. 17.2 - Mechanical Waves Mechanical Wave - disturbance in matter that carries energy from one place to another. Mechanical waves require matter called a MEDIUM to travel
More informationMechanical Waves and Sound
Mechanical Waves and Sound Mechanical Wave Medium Crest Trough Transverse wave Compression Rarefaction Longitudinal wave Surface wave Some Vocab to Know What are Mechanical Waves? Mechanical wave: disturbance
More informationChapter 17. Mechanical Waves and sound
Chapter 17 Mechanical Waves and sound Section 1 Mechanical Waves A. What are Mechanical Waves 1. Mechanical wave: disturbance in matter that carries ENERGY!! 2. Medium: material wave travels in Can be
More information17.5 Behavior of Waves
17.5 Behavior of Waves 17.5 Assessment Quiz Take a minute to look through your notes. Ø Ø Ø Ø There are 15 questions All answers Multiple Choice You do NOT need a calculator or formula sheet Notes CAN
More informationWaves. Mechanical Waves A disturbance in matter that carries energy from one place to another.
17.2 - Waves Waves Mechanical Waves A disturbance in matter that carries energy from one place to another. Medium The material through which a wave travels. Medium can be any three states of matter: solid,
More informationCharacteristics of Waves
Chapter 15 Characteristics of Waves Waves disturbances that carry energy through matter or space Waves transfer energy. The energy being transferred may spread out as waves travel. Characteristics of Waves
More informationChapter 17 Mechanical Waves
Pearson Prentice Hall Physical Science: Concepts in Action Chapter 17 Mechanical Waves 17.1 Mechanical Waves Objectives: 1. Explain what causes mechanical waves 2. Name and describe the three main types
More informationWaves. Please get out a sheet of paper for notes.
Waves Please get out a sheet of paper for notes. In a wave pool, the waves carry energy across the pool. You can see the effects of a wave's energy when the wave lifts people in the water. A wave is a
More informationWave a repeating disturbance or movement that transfers energy through matter or space
Waves The Nature of Waves Wave a repeating disturbance or movement that transfers energy through matter or space 1. Molecules pass energy on to neighboring molecules. 2. Waves carry energy without transporting
More informationThis requires a medium!
Unit 7: Waves Mechanical Wave a disturbance in matter that carries energy from one place to another This requires a medium! 1 Types of Mechanical Waves 1. Transverse Wave a wave that causes matter to vibrate
More informationWaves & Sound A. Waves 1. The nature of waves a. A wave is a rhythmic disturbance that transfers energy.
Waves & Sound A. Waves 1. The nature of waves a. A wave is a rhythmic disturbance that transfers energy. 2. Mechanical waves need a matter medium to travel through. (sound, water, seismic) 3. Two basic
More informationChs. 16 and 17 Mechanical Waves
Chs. 16 and 17 Mechanical Waves The nature of waves A wave is a traveling disturbance that carries energy from one place to another, and even though matter may be disturbed as a wave travels through a
More information17.1: Mechanical Waves
New Standard SPS9: Students will investigate the properties of waves. a. Recognize that all waves transfer energy. b. Relate frequency and wavelength to the energy of different types of electromagnetic
More informationHow are waves generated? Waves are generated by
WAVES 1 How are waves generated? Waves are generated by 2 Wave a disturbance that transmits energy through empty space or through a medium Medium any solid, liquid, or gas 3 Types of Waves 1. Electromagnetic
More informationChapter 20 Study Questions Name: Class:
Chapter 20 Study Questions Name: Class: Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. As the wavelength increases, the frequency a. decreases.
More informationPre AP Physics: Unit 7 Vibrations, Waves, and Sound. Clear Creek High School
Pre AP Physics: Unit 7 Vibrations, Waves, and Sound Clear Creek High School Simple Harmonic Motion Simple Harmonic Motion Constant periodic motion of an object. An object oscillates back and forth along
More informationCore Concept. PowerPoint Lectures Physical Science, 8e. Chapter 5 Wave Motions and Sound. New Symbols for this Chapter 2/20/2011
PowerPoint Lectures Physical Science, 8e Chapter 5 Wave Motions and Sound New Symbols for this Chapter T-Period f-frequency v-wave speed λ-wavelength A-Amplitude Sound is transmitted as increased and decreased
More informationIntroduction to Waves
Introduction to Waves 1 What s a wave? A wave is a disturbance that transfers energy from one place to another. The direction of energy transfer is the direction of propagation of the wave. 2 Transverse
More informationSection 1 Types of Waves. Distinguish between mechanical waves and electromagnetic waves.
Section 1 Types of Waves Objectives Recognize that waves transfer energy. Distinguish between mechanical waves and electromagnetic waves. Explain the relationship between particle vibration and wave motion.
More informationWAVES. Mr. Banks 8 th Grade Science
WAVES Mr. Banks 8 th Grade Science WAVES A wave is a disturbance that transfers, or carries energy from one place to another. Classified by what they move through For mechanical Waves energy is transferred
More informationSection 1: Types of Waves
Waves Section 1 Section 1: Types of Waves Preview Key Ideas Bellringer What Is a Wave? Vibrations and Waves Transverse and Longitudinal Waves Surface Waves Waves Section 1 Key Ideas What does a wave carry?
More informationWAVES. Unit 3. Sources: Ck12.org
WAVES Unit 3 Sources: Ck12.org BELLRINGER DAY 01 1. How do you think energy travels? 2. Are all waves the same? Explain. LONGITUDINAL WAVES Amplitude, Rarefaction, and Compression WHAT ARE WAVES? Waves
More informationCheck out Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.
Name: Mr. Willis Conceptual Physics: Date: Unit VII Mechanical Waves & Sound Need extra help? Check out http://www.bayhicoach.com Unit VII Study Guide Multiple Choice Identify the letter of the choice
More informationWaves Mechanical Waves Amplitude Frequency / Period Wavelength Wave Phases Wave Speed : Wave Basics / Wave Properties
Waves Mechanical Waves Amplitude Frequency / Period Wavelength Wave Phases Wave Speed 13.1 : Wave Basics / Wave Properties Waves Medium A medium is the material, which a wave travels through (Solid, liquid,
More informationTable of Contents. Chapter: Waves. Section 1: The Nature of Waves. Section 2: Wave Properties. Section 3: The Behavior of Waves
Table of Contents Chapter: Waves Section 1: The Nature of Waves Section 2: Wave Properties Section 3: The Behavior of Waves 1 The Nature of Waves What s in a wave? A wave is a repeating disturbance or
More informationTypes of Waves. Section Section 11.1
Types of Waves Section Section 11.1 Waves A A disturbance that transmits energy through matter or space Waves Most waves move through matter called a medium. Ex. Waves traveling through water. Types of
More informationCHAPTER 10 WAVES. Section 10.1 Types of Waves
CHAPTER 10 WAVES Section 10.1 Types of Waves What does a wave carry? How are waves generated? What is the difference between a transverse wave and a longitudinal waves? How do the particles in ocean waves
More informationSection 1 Types of Waves
CHAPTER OUTLINE Section 1 Types of Waves Key Idea questions > What does a wave carry? > How are waves generated? > What is the difference between a transverse wave and a longitudinal wave? > How do the
More informationWaves, Sounds, and Light
Waves, Sounds, and Light A wave is a disturbance that transmits energy. The particles of a medium do not travel with the wave. Mechanical waves require a medium, but electromagnetic waves do not Particles
More informationDirected Reading A. Section: The Nature of Waves WAVE ENERGY. surface of the water does not. Skills Worksheet. 1. What is a wave?
Skills Worksheet Directed Reading A Section: The Nature of Waves 1. What is a wave? WAVE ENERGY 2. A substance through which a wave can travel is a(n). 3. Explain how energy is transmitted through a medium.
More informationVibrations are the sources of waves. A vibration creates a disturbance in a given medium, that disturbance travels away from the source, carrying
Vibrations are the sources of waves. A vibration creates a disturbance in a given medium, that disturbance travels away from the source, carrying energy with it, we call this traveling disturbance a wave.
More informationTransverse waves cause particles to vibrate perpendicularly to the direction of the wave's motion (e.g. waves on a string, ripples on a pond).
Waves Introduction A vibration must be the source of a wave. Waves in turn also cause vibrations. They are intrinsically connected. Waves transmit energy. There are different ways in which waves can be
More informationNot all waves require a medium to travel. Light from the sun travels through empty space.
What are waves? Wave Definition: A disturbance that transfers energy from place to place. What carries waves? A medium, a medium is the material through which a wave travels. A medium can be a gas, liquid,
More informationINTRODUCTION TO WAVES. Dr. Watchara Liewrian
INTRODUCTION TO WAVES Dr. Watchara Liewrian What are Waves? Rhythmic disturbances that carry energy without carrying matter Types of Waves Mechanical Waves need matter (or medium) to transfer energy A
More informationMECHANICAL WAVES AND SOUND
MECHANICAL WAVES AND SOUND Waves Substances have a stable equilibrium state Uniform pressure everywhere throughout the substance Atomic springs are at their equilibrium length Can make a wave by disturbing
More information2 nd Term Final. Revision Sheet. Students Name: Grade: 10 A/B. Subject: Physics. Teacher Signature
2 nd Term Final Revision Sheet Students Name: Grade: 10 A/B Subject: Physics Teacher Signature 1 NAME: GRADE: 10 MULTIPLE CHOICES PHYSICS WORKSHEET In the space provided, write the letter of the term or
More informationAcademic Year First Term. Grade 6 Science Revision Sheet
Academic Year 2017-2018 First Term Grade 6 Science Revision Sheet Name: Grade Date: Section: Part A. Science Practice. Circle the letter of your answer 1. What is a wave? A. a disturbance that transfers
More informationWAVES, WAVE BEHAVIOR, GEOPHYSICS AND SOUND REVIEW ANSWER KEY
WAVES, WAVE BEHAVIOR, GEOPHYSICS AND SOUND REVIEW ANSWER KEY Instructions: Show all of your work completely in your journal, including the equations used in variable form. Pay attention to sig figs and
More informationWhat are waves? Wave
What are waves? Wave Definition: A disturbance that transfers energy from place to place. What carries waves? A medium, a medium is the material through which a wave travels. A medium can be a gas, liquid,
More informationCover Sheet-Block 6 Wave Properties
Cover Sheet-Block 6 Wave Properties Name Standards-Physics 4 a b c d 4a. Students know waves carry energy from one place to another. 4. b. Students know how to identify transverse and longitudinal waves
More informationWaves-Wave Basics. 1. Which type of wave requires a material medium through which to travel? 1. sound 2. television 3. radio 4.
Waves-Wave Basics 1. Which type of wave requires a material medium through which to travel? 1. sound 2. television 3. radio 4. x ray 2. A single vibratory disturbance moving through a medium is called
More informationFlorida Benchmarks. SC.7.P.10.3 Recognize that light waves, sound waves, and other waves move at different speeds in different materials.
Unit 3 Lesson 1 Waves Florida Benchmarks SC.7.P.10.3 Recognize that light waves, sound waves, and other waves move at different speeds in different materials. Copyright Houghton Mifflin Harcourt Publishing
More informationChapter 20 - Waves. A wave - Eg: A musician s instrument; a cell phone call & a stone thrown into a pond A wave carries from one place to another.
Section 20.1 - Waves Chapter 20 - Waves A wave - Eg: A musician s instrument; a cell phone call & a stone thrown into a pond A wave carries from one place to another. Waves can change motion, we know that
More informationCERT Educational Series Light and Waves Module
CERT Educational Series Light and Waves Module Quiz Question Bank 1. Maximum distance a wave varies from its rest position a. Integer c. Wave length d. Friction 2. The highest point of a transverse wave
More informationMechanical waves Electromagnetic waves
Waves Energy can be transported by transfer of matter. For example by a thrown object. Energy can also be transported by wave motion without the transfer of matter. For example by sound waves and electromagnetic
More informationChapter 14: Waves. What s disturbing you?
Chapter 14: Waves What s disturbing you? Wave Properties Waves carry energy through matter. The matter can move with the wave, or at right angles to it. Newton s laws and conservation laws govern the behavior
More informationa disturbance that transfers energy Carries energy from one place to another Classified by what they move through
WAVES WAVES a disturbance that transfers energy Carries energy from one place to another Classified by what they move through 1. Mechanical Waves the energy is transferred by vibrations of medium (medium
More informationENERGY OF WAVES ch.1 PRACTICE TEST
ENERGY OF WAVES ch.1 PRACTICE TEST Multiple Choice Identify the choice that best completes the statement or answers the question. 1. If a wave is traveling at a certain speed and its frequency is doubled,
More informationUnits of Chapter 14. Types of Waves Waves on a String Harmonic Wave Functions Sound Waves Standing Waves Sound Intensity The Doppler Effect
Units of Chapter 14 Types of Waves Waves on a String Harmonic Wave Functions Sound Waves Standing Waves Sound Intensity The Doppler Effect Units of Chapter 14 Optional Superposition and Interference Beats
More informationParts of Longitudinal Waves A compression
1 Waves All substantive material is from Wave Motion and Sound by James Dann. http://www.ck12.org/flexr/ unless otherwise noted. Illustrations are copyright free. Objects in motion that return to the same
More informationHow do waves interact with objects? How do waves behave when they move between two media? How do waves interact with other waves?
CHAPTER 20 3 Wave Interactions SECTION The Energy of Waves BEFORE YOU READ After you read this section, you should be able to answer these questions: How do waves interact with objects? How do waves behave
More informationWhat is a wave? A wave is a disturbance that transfers energy from place to place.
Waves Objectives Determine how matter and energy interact when waves are generated. Identify and understand the three main types of mechanical waves Identify the properties of waves. What is a wave? A
More informationWaves and Sound. (Chapter 25-26)
Waves and Sound (Chapter 25-26) I can de(ine and use the terms period, wavelength, frequency, amplitude, Hertz, crest, trough, transverse, longitudinal, and standing waves. Waves and Sound (Chapter 25-26)
More informationTopic 4.4 Wave Characteristics (2 hours)
Topic 4.4 Wave Characteristics (2 hours) You must live in the present, launch yourself on every wave, find your eternity in each moment. Henry David Thoreau 1 What s a wave? A wave is a disturbance that
More informationWaves Disturbances that transport but not
Waves Disturbances that transport but not Needs a medium to travel Mechanical Uses matter to transport energy Electromagnetic Do NOT need a medium to carry energy Can travel through space Transverse Moves
More informationSECTION 1 & 2 WAVES & MECHANICAL WAVES
WAVES!!!! SECTION 1 & 2 WAVES & MECHANICAL WAVES What is a Wave? A wave is a disturbance that travels through space or matter. When undisturbed, the water is found in its equilibrium or rest position.
More informationThe physicist's greatest tool is his wastebasket Albert Einstein
Chapter 20: Waves The physicist's greatest tool is his wastebasket Albert Einstein 2 20.1 Waves Describe transverse and longitudinal waves. Learn the properties of waves. Calculate the speed of a wave.
More informationHarmonics and Sound Exam Review
Name: Class: _ Date: _ Harmonics and Sound Exam Review Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which of the following is not an example
More informationWaves Physics Waves What is a wave and what does it carry? Types of Waves 1. Transverse
Waves Physics 20.1 Waves What is a wave and what does it carry? Types of Waves 1. Transverse A transverse wave has its oscillations/vibrations to the direction the wave moves. 2. Longitudinal A longitudinal
More informationPhysics 101 Lecture 20 Waves & Sound
Physics 101 Lecture 20 Waves & Sound Recall we ve talked about transverse & longitudinal waves: - transverse waves: medium motion is to wave motion - longitudinal (pressure) waves: medium motion is to
More informationCHAPTER 14 VIBRATIONS & WAVES
Physics Approximate Timeline Students are expected to keep up with class work when absent. CHAPTER 14 VIBRATIONS & WAVES Day Plans for the day Assignments for the day 1 Section 14.1 Periodic Motion o Definitions
More informationLecture Outline Chapter 14. Physics, 4 th Edition James S. Walker. Copyright 2010 Pearson Education, Inc.
Lecture Outline Chapter 14 Physics, 4 th Edition James S. Walker Chapter 14 Waves and Sound Units of Chapter 14 Types of Waves Waves on a String Harmonic Wave Functions Sound Waves Sound Intensity The
More informationChapter 10: Waves The Test. Types of Waves: Surface Waves. Wave concepts. Types of Waves: Compression Waves. Types of Waves: Compression Waves
Chapter 10: Waves The Test Average score: 25/30 http://ps100.byu.edu/syllabus.aspx 40 Multiple Choice Scores 35 30 25 20 Frequency 15 10 Did you read chapter 10 before coming to class? A. Yes B. No 5 0
More informationWAVES. Pulses are disturbances or a single wave motion. A continuous production of pulses will give rise to a progressive wave (wave train).
1 WAVES Types of Waves Pulses Pulses are disturbances or a single wave motion. A continuous production of pulses will give rise to a progressive wave (wave train). Progressive Waves A progressive wave
More informationUnit 3: Energy On the Move
10 10 Table of Contents Unit 3: Energy On the Move Chapter 10: Waves 10.1: The Nature of Waves 10.2: Wave Properties 10.3: The Behavior of Waves 10.1 The Nature of Waves What s in a wave? wave is a repeating
More informationName Class Date. How do waves behave when they interact with objects? What happens when two waves meet? How do standing waves form?
CHAPTER 15 3 Wave Interactions SECTION Waves KEY IDEAS As you read this section, keep these questions in mind: How do waves behave when they interact with objects? What happens when two waves meet? How
More information23.1 Period and Frequency
23.1 Period and Frequency 23.1 The period of a pendulum is the time it takes to move through one cycle. As the ball on the string is pulled to one side and then let go, the ball moves to the side opposite
More informationPreview. Vibrations and Waves Section 1. Section 1 Simple Harmonic Motion. Section 2 Measuring Simple Harmonic Motion. Section 3 Properties of Waves
Vibrations and Waves Section 1 Preview Section 1 Simple Harmonic Motion Section 2 Measuring Simple Harmonic Motion Section 3 Properties of Waves Section 4 Wave Interactions Vibrations and Waves Section
More informationwaves? Properties Interactions
Chapter Introduction Lesson 1 Lesson 2 Lesson 3 What are waves? Wave Properties Chapter Wrap-Up Wave Interactions How do waves travel through matter? What do you think? Before you begin, decide if you
More informationWave Motion. interference destructive interferecne constructive interference in phase. out of phase standing wave antinodes resonant frequencies
Wave Motion Vocabulary mechanical waves pulse continuous periodic wave amplitude period wavelength period wave velocity phase transverse wave longitudinal wave intensity displacement amplitude phase velocity
More informationPhysics Mechanics
1 Physics 170 - Mechanics Lecture 33 Waves Wave notion 2 A wave pulse is a disturbance that propagates through a medium. It transfers energy without transferring matter; the energy is a combination of
More informationa wave is a rhythmic disturbance that carries/transfers energy through matter or space A repeating movement
a wave is a rhythmic disturbance that carries/transfers energy through matter or space A repeating movement Mechanical Waves require a medium medium: the matter through which a wave travels examples: water,
More informationPhysical Science Ch. 10: Waves
Physical Science Ch. 10: Waves A wave is a rhythmic disturbance which carries energy NOT matter. A medium is a material through which a wave transfers energy. Some Waves, but not all, require a medium
More informationIntroduction to Waves
chapter 9 Introduction to Waves section 3 The Behavior of Waves Before You Read Think about a time when you walked down an empty hallway and heard the echo of your footsteps. Write what you think caused
More informationMechanical Waves. Mechanical waves are created by the vibration of objects. Mechanical waves can be either transverse or longitudinal.
Mechanical Waves Mechanical waves are created by the vibration of objects. Mechanical waves can be either transverse or longitudinal. When an object vibrates, its vibrations form mechanical waves that
More informationWaves. harmonic wave wave equation one dimensional wave equation principle of wave fronts plane waves law of reflection
Waves Vocabulary mechanical wave pulse continuous periodic wave amplitude wavelength period frequency wave velocity phase transverse wave longitudinal wave intensity displacement wave number phase velocity
More informationPeriod: Date: 1. A single disturbance that moves from point to point through a medium is called a. a. period b. periodic wave c. wavelength d.
Name: Quiz Wave Phenomena Period: Date: 1. A single disturbance that moves from point to point through a medium is called a. a. period b. periodic wave c. wavelength d. pulse 2. If the particles of the
More informationPractice Problems For 1st Wave Exam
For 1st Wave Exam 1. Which wave diagram has both wavelength ( ) and amplitude (A) labeled correctly? A) B) C) 5. The energy of a sound wave is most closely related to the wave's A) frequency B) amplitude
More informationWaves. What are waves?
Benchmarks SC.A.2.3.1 (pp. 185, 188 191): The student describes and compares the properties of particles and waves; SC.B.1.3.6 Annually Assessed (pp. 188 191, 193): knows the properties of waves ; SC.C.1.3.2
More informationWave. 1. Transverse 2. Longitudinal 3. Standing
Wave Wave: A disturbance traveling through a medium by which energy is transferred from one particle of the medium to another without causing any permanent displacementof the medium itself. (A Wave Transports
More information20.1 Waves. A wave is an oscillation that travels from one place to another. Because waves can change motion, they are a travelling form on energy.
Waves Chapter 20 1 20.1 Waves A wave is an oscillation that travels from one place to another. Because waves can change motion, they are a travelling form on energy. 2 Recognizing Waves Waves are present:
More informationWaves. Unit 9 - Light & Sound
Waves Unit 9 - Light & Sound Lesson 1: Questions What are the similarities and differences between transverse and longitudinal waves? How is a wave s amplitude related to its energy? How are frequency
More informationWhy are both electromagnetic and mechanical waves needed to make movies? Waves. transfer energy but do not carry medium with them.
Why are both electromagnetic and mechanical waves needed to make movies? S8P4a. Identify the characteristics of electromagnetic and mechanical waves. Name: MEDIUM: any substance through which waves travel.
More informationChapter 15 Wave Motion. Copyright 2009 Pearson Education, Inc.
Chapter 15 Wave Motion 15-1 Characteristics of Wave Motion All types of traveling waves transport energy. Study of a single wave pulse shows that it is begun with a vibration and is transmitted through
More informationConceptual Physics. Chapter 25: Vibrations and Waves Mr. Miller
Conceptual Physics Chapter 25: Vibrations and Waves Mr. Miller Vibrations A vibration is a wiggle in time A vibration cannot exist in one instant, but needs time to move back and forth. Waves A wave is
More informationForce & Motion. Objective 6.P.1. 6.P.1 Understand the properties of waves and the wavelike property of energy in earthquakes, light and sound.
Force & Motion Objective 6.P.1 Date: 6.P.1 Understand the properties of waves and the wavelike property of energy in earthquakes, light and sound. 6.P.1.1 Compare the properties of waves to the wavelike
More informationSimilarly to elastic waves, sound and other propagated waves are graphically shown by the graph:
Phys 300/301 Physics: Algebra/Trig Eugene Hecht, 3e. Prepared 01/24/06 11.0 Waves & Sounds There are two fundamental waves of transporting energy and momentum: particles and waves. While they seem opposites,
More informationName: Section: Date: Wave Review
Name: Section: Date: Types of waves: 1. Transverse waves: Wave Review To do: take a slinky and shake the end up and down Examples: stretched strings of musical instruments and light waves Choose one of
More informationSlide 2 / 28 Wave Motion. A wave travels along its medium, but the individual particles just move up and down.
Slide 1 / 28 Waves Slide 2 / 28 Wave Motion A wave travels along its medium, but the individual particles just move up and down. Slide 3 / 28 Wave Motion All types of traveling waves transport energy.
More informationHow do noise-cancelling headphones work? (hint: the answer involves a microphone and a type of interference)
Name: Period: Cover Requirements: 1. Name of unit 2. Picture of something from the unit Empty Map Questions: Will a speaker vibrate in space? Explain. Why does grabbing a cymbal make it quiet? How do noise-cancelling
More informationChapters 25: Waves. f = 1 T. v =!f. Text: Chapter 25 Think and Explain: 1-10 Think and Solve: 1-4
Text: Chapter 25 Think and Explain: 1-10 Think and Solve: 1-4 Chapters 25: Waves NAME: Vocabulary: wave, pulse, oscillation, amplitude, wavelength, wave speed, frequency, period, interference, constructive,
More informationPHYSICS Simple Harmonic Motion, Vibrations and Waves
PHYSICS Simple Harmonic Motion, Vibrations and Waves LESSON OBJECTIVES Students will be able to... use appropriate metric units for given measurements describe how waves transfer energy differently from
More informationCover Sheet-Block 6 Wave Properties
Cover Sheet-Block 6 Wave Properties Name Standards-Physics 4 a b c d 4a. Students know waves carry energy from one place to another. 4. b. Students know how to identify transverse and longitudinal waves
More informationPHYSICS - CLUTCH CH 16: WAVES & SOUND.
!! www.clutchprep.com CONCEPT: WHAT IS A WAVE? A WAVE is a moving disturbance (oscillation) that carries energy. - A common example is a wave on a string, where the moving string carries energy We re only
More informationWhat is a Wave? Not all waves pass through a
What is a Wave? A Wave is a disturbance that transfers energy from place to place. In order to pass it s energy along, waves can pass through a medium.(-- the material through which a wave travels). (A
More informationPhysics 1-2 Mr. Chumbley Physics: Chapter 11 p
Physics 1-2 Mr. Chumbley Physics: Chapter 11 p. 362-401 Section 1 p. 364 371 Section 2 p. 372-377 Simple Harmonic Motion There exist many different situations in which objects oscillate in regular, repeating
More informationDefined as a transfer of energy, in the form of a temporary disturbance of a medium, where the medium itself does not move.
Waves: Defined as a transfer of energy, in the form of a temporary disturbance of a medium, where the medium itself does not move. Three Classifications of waves: 1. Mechanical waves: These are waves that
More informationToday: waves. Exam Results. Wave Motion. What is moving? Motion of a piece of the rope. Energy transport
Exam: Exam scores posted on Learn@UW No homework due next week Exam Results D C BC B AB A Today: waves Have studied Newton s laws, motion of particles, momentum, energy, etc. Laws for describing things
More informationSOUND ch.2 PRACTICE TEST
SOUND ch.2 PRACTICE TEST Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Sound is created by a. the complete back-and-forth motion of objects. b. air particles
More informationExercises Vibration of a Pendulum (page 491) 25.2 Wave Description (pages ) 25.3 Wave Motion (pages )
Exercises 25.1 Vibration of a Pendulum (page 491) 1. The time it takes for one back-and-forth motion of a pendulum is called the. 2. List the two things that determine the period of a pendulum. 3. Circle
More information