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8/3/2019 Wave Exercise
http://slidepdf.com/reader/full/wave-exercise 1/6
8/3/2019 Wave Exercise
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1. Diagram shows two situations where a ball floats and moves on the surface of the water.
The direction of the movement of the ball is
A parallel to the direction of the wave propagationB perpendicular to the direction of the wave propagation
C the same as the direction of the wave propagation
D the opposite to the direction of the wave propagation
2.
3. A slinky tied to a leg of a table is moved in the direction shown below.
The distance x is
A displacement B amplitude
C wavelength
8/3/2019 Wave Exercise
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4. Which graph represents a wave with amplitude of 4.0 cm and period of 0.05 s?
Which of the following statements is true about the water waves?
A T and U have the same phase
B Wave energy is transferred from position S to UC The wave length is the distance between S and U
D The particle at U oscillates in a direction parallel to the direction of the wave propagation
5. The graphs show the cross-sections of water waves. Which wave has the greatest energy?
8/3/2019 Wave Exercise
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6. The diagram shows a wavefront pattern produced by a dipper vibrating at a frequency of 12 Hz in a
ripple tank.
What is the speed of the waves?
A 2 cm s-1 B 8 cm s-1
C 12 cm s-1 D 18 cm s-1
E 36 cm s-1
7. Which of the following graphs shows the correct relationship between wavelength, λ and frequency, f when velocity is
constant ?
λ
λ
λ
λ
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8. Figure shows a longitudinal wave, what is the wavelength ?A 9.0 cm C 18.0 cm
B 12.0 cm D 36.0 cm
9. Figure shows pattern of sound wave from a speaker.
M = Compression R = RarefactionThe sound wave propagates with the speed of 330 m s-1. What is the frequency of the sound wave?
A 22 Hz D 990 HzB 66 Hz E 4 950 HzC 110 Hz
10. A system is oscillating at its natural frequency without dampingWhat happens to the total energy of the oscillating system?
A It remains constant B It decreasesC It increases
11. A system is oscillating with damping What happens to the amplitude of the oscillating system?A It remains constant B It decreasesC It increases
12. A vibrating system is in resonans with external force acting on it. The system willA vibrate with higher frequency.B vibrate with maximum amplitude
C vibrate with decreasing amplitudeD stop vibrate
13. Which of the quantity decreasing when damping occurs on a vibrating system?
A Speed C FrequencyB Amplitude D Wavelength
14. When damping occurs on a vibrating system, this meansI Period decreasing III amplitude decreasingII Frequency decreasing IV energy decreasing
A I dan II sahaja C II dan IV sahajaB I dan III sahaja D III dan IV sahaja
15. FIGURE shows a boy on a swing which has a period of 2 s. It is allowed to swing until it stops.
Which of the following graphs shows the oscillation of the swing?
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16. The diagram shows water waves approaching an island in the South China Sea.
What happens to the water waves after approaching the island ?
Velocity Wavelength AmplitudeA Increases Decreases Unchange
B Decreases Increases IncreasesC Unchange Unchange DecreasesD Unchange Unchange Unchange