Which of the following statements are correct of the production and propagation of waves? I. vibration produces waves II. waves transmit energy along the medium III. the medium through which the wave travels does not travel with the wave IV. waves do not require any medium for transmission
A. I & IV only B. II & IV only C. III & IV only D. I, II and III only
Correct Answer: D
Explanation
- Waves are produced by vibration - Waves transmit energy along the medium - Particles of a medium vibrate with the wave motion without the entire medium - Some waves require medium for transmission (mechanical).
