8/3/2019 Wave Exercise

http://slidepdf.com/reader/full/wave-exercise 1/6

8/3/2019 Wave Exercise

http://slidepdf.com/reader/full/wave-exercise 2/6

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

http://slidepdf.com/reader/full/wave-exercise 3/6

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

http://slidepdf.com/reader/full/wave-exercise 4/6

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

8/3/2019 Wave Exercise

http://slidepdf.com/reader/full/wave-exercise 5/6

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?

8/3/2019 Wave Exercise

http://slidepdf.com/reader/full/wave-exercise 6/6

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