Year 9 Physics Quiz: Waves
Test your knowledge on the topic of waves with the following questions. Choose the correct answer for each question.
-
What is a wave?
- A. A disturbance that transfers energy through space or matter
- B. A solid object that transmits forces
- C. A type of particle that has mass
- D. A chemical reaction producing light
-
What is the wavelength of a wave?
- A. The distance from one crest to another or one trough to another
- B. The height of the wave from the equilibrium position
- C. The time taken for one complete cycle
- D. The frequency of the wave multiplied by the speed
-
What is the frequency of a wave?
- A. The distance between the wave crests
- B. The number of complete waves that pass a point in one second
- C. The maximum displacement of a point on the wave
- D. The product of wavelength and wave speed
-
In which medium do sound waves travel fastest?
- A. In air
- B. In water
- C. In a vacuum
- D. In a solid material
-
Which of the following is a transverse wave?
- A. Sound wave
- B. Light wave
- C. Seismic P-wave
- D. Ocean wave (surge)
-
What is the amplitude of a wave?
- A. The total distance a wave travels in one cycle
- B. The maximum extent of a wave's displacement from rest position
- C. The speed of the wave as it propagates
- D. The time period of the wave
-
What type of waves require a medium to travel through?
- A. Electromagnetic waves
- B. Radio waves
- C. Sound waves
- D. Light waves
-
What happens when two waves meet?
- A. They get destroyed
- B. They generate heat
- C. They interfere with each other
- D. They become one wave
-
Which of the following describes the Doppler effect?
- A. The change in speed of a wave due to temperature
- B. The change in frequency of a wave in relation to an observer moving relative to the source of the wave
- C. The increase in amplitude when two waves meet
- D. The reflection of waves from a surface
-
Which of the following is an example of reflection of waves?
- A. Sound waves bending around a corner
- B. Light waves bouncing off a mirror
- C. Ocean waves crashing on the shore
- D. A slinky wave moving forward through the coils
Make sure to review each question carefully and choose the best answer! Good luck!