Broughton High School

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Vocabulary for Chapter 10 - Waves Vocabulary Word 1. Amplitude Broughton High School Definition 2 2. Compressional Wave 3. Crest 4. Diffraction 5. Frequency 6. Interference 7. Medium 8. Period 9. Rarefaction 10. Resonance 11. Standing Wave 12. Transverse wave 13. Trough

Vocabulary for Chapter 10 - Waves Vocabulary Word 14. Wave Broughton High School Definition 3 15. Wavelength 16. Constructive Inference 17. Destructive Inference 18. The Law of Reflection 19. Carrier Wave 20. Cathode-ray tube 21. Electromagnetic Wave 22. Gamma Rays 23. GPS 24. Infrared waves 25. Microwaves 26. Photon 27. Radio Waves 28. Ultraviolet Waves 29. X-rays 30. Visible Light

Characteristics of Waves Broughton High School Amplitude - The Amplitude of a wave is the maximum amount of displacement of the particles from its rest position. In a transverse wave the amplitude is the distance from the rest position to either the top of the crest or bottom of the trough. Parts of Transverse Wave 4 In a longitudinal wave the differences between the pressures of the compressions and the undisturbed air. Parts of a longitudinal wave Wavelength: In a transverse wave is the distance from crest to crest or from trough to trough. In a longitudinal wave the wavelength is measured from a point in one compression to the next or rarefaction to the next rarefaction. Describe the amplitude of sound in the picture?

Characteristics of Waves Broughton High School Frequency, Period, & Velocity Frequency is the number of wave cycles the particles go through per second. 5 Frequency of a wave Period is the time for a complete cycle to pass a particular point. Velocity is determined by the medium the waves passes through and the type of wave.

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Waves & Sound Problems 1. Calculate the wavelength of a wave traveling on a spring if the wave moves at 0.2 m/s and has a period of 0.5s. 12 2. The microwaves produced inside a microwave oven have a wavelength of 12.0 cm and a frequency of 25,000,000,000 Hz. At what speed do the microwaves travel in units of m/s? 3. Water waves on a lake travel toward a dock with a speed of 2.0 m/s and a wavelength of 0.5m. How many wave crests strike the dock each second? 4. A wave traveling in water has a frequency of 500.0 Hz and a wavelength of 3.0 m. What is the speed of the water? 5. The highest-pitched sound humans can hear have a wavelength of 0.017 m in air? What is the frequency of these sound waves if their wave speed is 340.0 m/s?

Waves & Sound Problems 6. A sound wave produced by a lightning bolt has a frequency of 36 Hz and a wavelength of 12.0 m. What is the speed of the sound wave? 13 7. A sound wave produced by a lightning bolt has a frequency of 40 Hz and a wavelength of 15.0 m. What is the speed of the sound wave? 8. A sound wave produced by a lightning bolt has a frequency of 45 Hz and a wavelength of 13.0 m. What is the speed of the sound wave? 9. A sound wave produced by a lightning bolt has a speed of 550 m/s and a wavelength of 12.0 m. What is the frequency of the sound wave? 10. A sound wave produced by a lightning bolt has a speed of 400 m/s and a wavelength of 14.0 m. What is the frequency of the sound wave?

Waves & Sound Problems 11. A sound wave produced by a lightning bolt has a speed of 520 m/s and a wavelength of 14.5 m. What is the frequency of the sound wave? 14 12. A sound wave produced by a lightning bolt has a speed of 660 m/s and a frequency of 40 Hz. What is the wavelength of the sound wave? 13. A sound wave produced by a lightning bolt has a speed of 700 m/s and a frequency of 45 Hz. What is the wavelength of the sound wave? 14. A sound wave produced by a lightning bolt has a speed of 500 m/s and a frequency of 50 Hz. What is the wavelength of the sound wave? 15. A sound wave produced by a lightning bolt has a speed of 450 m/s and a frequency of 60 Hz. What is the wavelength of the sound wave?