19 Which row shows an example of a transverse wave and an example of a longitudinal wave?

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1 1 19 Which row shows an example of a wave and an example of a wave? light radio radio sound sound water water light 20 boy throws a small stone into a pond. Waves spread out from where the stone hits the water and travel to the side of the pond. The boy tices that eight waves reach the side of the pond in a time of 5.0 s. What is the frequency of the waves? 0.20 Hz 0.63 Hz 1.6 Hz 40 Hz 19 small boat in a harbour is protected from waves on the sea by harbour walls. land sea waves small boat harbour harbour walls Some waves can curve round the harbour walls and reach the boat. What is the name of this effect? diffraction dispersion reflection refraction

2 2 21 The table gives common uses for three types of electromagnetic wave. Which row correctly identifies the waves? satellite television terrestrial television (t satellite) television remote controllers infra-red waves microwaves radio waves microwaves radio waves infra-red waves radio waves infra-red waves microwaves radio waves microwaves infra-red waves 20 The diagram represents the electromagnetic spectrum. Some regions have been labelled, and some labels are missing. Which region should be labelled as infra-red waves? radio waves visible light 18 What is the number of wavefronts per second that pass a fixed point? the amplitude of the wave frequency wave the of the the speed of the wave the wavelength of the wave 19 The diagrams represent water waves in a tank. Which diagram represents a wave that changes speed? barrier barrier barrier ULES 2015 γ-rays

3 3 18 What is the number of wavefronts per second that pass a fixed point? the amplitude of the wave the frequency of the wave the speed of the wave the wavelength of the wave 19 The drawing shows a wave. Which labelled distance is the wavelength? 20 The drawing shows a wave. Which labelled distance is the wavelength? 21 Radio waves are received at a house at the bottom of a hill. hill The waves reach the house because the hill has caused them to be diffracted. radiated. reflected. refracted. ULES 2015

4 4 21 Which row correctly describes light waves and radio waves? light waves radio waves 22 The diagram shows water waves passing through a gap in a harbour wall. The waves curve round the wall and reach a small boat in the harbour. harbour wall waves harbour gap boat What is the name of this curving effect, and how can the gap be changed so that the waves are less likely to reach the boat? name of effect change to the gap diffraction make the gap slightly bigger diffraction make the gap slightly smaller refraction make the gap slightly bigger refraction make the gap slightly smaller 20 Waves in a tank pass from shallow to deep water. The wavefront diagram is shown. wavefront shallow water deep water Which quantity increases as the waves enter the deep water? amplitude ULES 2015

5 5 frequency wave energy wavelength 21 The diagrams represent water waves in a tank. Which diagram represents waves that change speed? shallower water barrier deeper water barrier barrier 20 The diagram represents water waves about to move into shallow water from deep water. wavefront deep water shallow water Which property of the waves remains the same after the waves move into shallow water? frequency speed wavefront direction wavelength ULES 2015

6 6 21 Two sets of water waves overlap as shown in the diagram. P U Q S T R From which two points are the sets of waves coming? P and S T and R Q and T U and Q 19 Water waves are reflected at a plane surface. Which property of the waves is changed by the reflection? direction frequency speed wavelength 20 Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water. shallow water boundary wave direction deep water ULES 2015

7 7 Which diagram shows the wave pattern in the deeper water? 20 The diagram shows a wave. displacement 0 distance X Y How many wavelengths are there between X and Y? 2 3 ULES

8 8 19 The diagrams show four sources of waves. Which source generates waves? stick pushed up and down in water ULES 2015 radio transmitter loudspeaker lamp

9 9 20 In a ripple tank, water waves move towards a barrier with a narrow gap. Water Waves barrier Which diagram best shows the waves beyond the barrier?

10 10 Which statement is correct? Heat loss by radiation is prevented by the small air gap. No heat passes through the sides of either cup. The bench is heated by convection from the bottom of the outer cup. The lid is used to reduce heat loss by convection. 20 Which is the best description of the speed of a water wave? the distance between one wave crest and the next the distance between the crest of a wave and a trough the distance that a particle of water moves up and down in one second the distance that a wavefront moves along the surface in one second 20 Which group contains only waves? infra-red waves, light waves, sound waves infra-red waves, light waves, ultra-violet waves infra-red waves, ultra-violet waves, sound waves light waves, sound waves, ultra-violet waves 21 Water waves in a tank pass over a thin plastic block as shown. plastic block tank What happens to the waves as they reach the plastic block? They are diffracted because they slow down. They are diffracted because they speed up. They are refracted because they slow down. are refracted because they speed up. ULES 2015 They

11 11 20 Which waves are? sound waves from a trumpet water waves on a pond 88:88 light waves from a lamp microwaves in an oven 21 navigation buoy floating on the sea oscillates up and down as a wave passes. navigation buoy In exactly two minutes, six complete wavelengths pass the buoy. What is the frequency of the waves? Hz ULES Hz 3.0 Hz 20 Hz

12 12 19 The diagrams show water waves that move more slowly after passing into shallow water at the broken line. Which diagram shows what happens to the waves? fast slow deep water fast slow shallow water deep water shallow water slow fast fast ULES 2015 slow

13 13 20 The diagrams show examples of wave motion. 1 2 ripple tank drum waves on water waves in air 3 4 waves on a rope waves in a spring (as shown) Which are waves? 1 only 1, 2 and 4 2 and 3 only 2 and 4 only 23 small boat in a harbour is protected from waves on the sea by harbour walls. land sea waves small boat harbour harbour waiis ULES 2015

14 14 Ms Raja Elgady Some waves can curve round the harbour walls and reach the boat. What is the name for this effect? diffraction dispersion reflection refraction 21 Which row shows the natures of light waves, sound waves and X-rays? light waves sound waves X-rays 22 Radio waves are received at a house at the bottom of a hill. radio waves hill The waves reach the house because the hill has caused them to be diffracted. refracted. ULES 2015 radiated. reflected. house

15 15 Ms Raja Elgady 18 The diagram shows a side view of a water wave at a particular time. The diagram is drawn full size. direction of travel of wave Which statement about the wave is correct? The wave is and the frequency can be measured from the diagram. The wave is and the wavelength can be measured from the diagram. The wave is and the frequency can be measured from the diagram. The wave is and the wavelength can be measured from the diagram. 19 The diagram shows a water wave approaching a barrier with a gap. barrier direction of travel P water wave The wave reaches point P. What is the name of the effect that causes the wave to reach point P? diffraction dispersion reflection refraction ULES 2015

16 16 Ms Raja Elgady 23 Which row states whether light waves and whether sound waves can travel in a vacuum? sound waves light waves 20 What is the unit of wavelength? hertz metre metre per second second 21 Which row correctly describes light waves and radio waves? light waves radio waves ULES 2015

17 17 Ms Raja Elgady 22 The diagram shows water waves passing through a gap in a harbour wall. The waves curve round the wall and reach a small boat in the harbour. harbour wall waves harbour gap boat What is the name of this curving effect, and how can the gap be changed so that the waves are less likely to reach the boat? name of effect change to the gap diffraction make the gap slightly bigger diffraction make the gap slightly smaller refraction make the gap slightly bigger refraction make the gap slightly smaller 19 Which of these waves is? infra-red radio sound water 20 Radio waves are received at a house at the bottom of a hill. radio waves hill ULES 2015 house

18 18 Ms Raja Elgady The waves reach the house because the hill has caused them to be diffracted. radiated. reflected. refracted. 18 The diagram shows a side view of a water wave at a particular time. The diagram is drawn full size. direction of travel of wave Which statement about the wave is correct? The wave is and the frequency can be measured from the diagram. The wave is and the wavelength can be measured from the diagram. The wave is and the frequency can be measured from the diagram. The wave is and the wavelength can be measured from the diagram. 19 The diagram shows a water wave approaching a barrier with a gap. barrier direction of travel P water wave The wave reaches point P. What is the name of the effect that causes the wave to reach point P? diffraction dispersion reflection refraction ULES 2015

19 19 Ms Raja Elgady 23 Which row states whether light waves and whether sound waves can travel in a vacuum? sound waves light waves 20 What is the unit of wavelength? hertz metre metre per second second 21 Which row correctly describes light waves and radio waves? light waves radio waves ULES 2015

20 20 Ms Raja Elgady 22 The diagram shows water waves passing through a gap in a harbour wall. The waves curve round the wall and reach a small boat in the harbour. harbour wall waves harbour gap boat What is the name of this curving effect, and how can the gap be changed so that the waves are less likely to reach the boat? name of effect change to the gap diffraction make the gap slightly bigger diffraction make the gap slightly smaller refraction make the gap slightly bigger refraction make the gap slightly smaller 19 Which of these waves is? infra-red radio sound water 20 Radio waves are received at a house at the bottom of a hill. radio waves hill The waves reach the house because the hill has caused them to be diffracted radiated eflected. refracted. ULES 2015 house

21 21 Ms Raja Elgady 19 Water waves can be used to show reflection, refraction and diffraction. For each of these, which row shows whether or t the speed of the water waves changes? reflection refraction diffraction 20 vertical stick is dipped up and down in water at P. In two seconds, three wave crests are produced on the surface of the water. Y wave crests P X Which statement is correct? istance X is the amplitude of the waves. istance Y is the wavelength of the waves. Each circle represents a wavefront. The frequency of the waves is 3 Hz. 19 Visible light and γ-rays are both waves. How may they correctly be described? visible light γ-rays ULES 2015

22 22 20 The diagram represents a wave. displacement distance X Y How many wavelengths are there between X and Y? ifferent parts of the electromagnetic spectrum are used for different purposes. elow are four statements about parts of the spectrum. statement 1: Infra-red waves are used in television remote controllers. statement 2: Radio waves are used to transmit television pictures from satellites to Earth. statement 3: Ultra-violet waves are used for intruder alarms. statement 4: X-rays are used for security checks. Which statements are correct? 1 and 2 ULES and 4 2 and 3 3 and 4

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