Question

How does the speed of sound change with change in amplitude of sound wave?

• A. no change
• B. decreases with the increase in amplitude of sound wave.
• C. increases with the increase in amplitude of sound wave.
• D. data insufficient

Answer 1

The correct option is A no change

The amplitude of the sound wave in no way affects the speed of the sound as it affects the loudness of the sound produced.
Loudness depends on the square of the amplitude of the wave. Amplitude is the size of the vibration, and this determines how loud the sound is. Larger vibrations make a louder sound. The amplitude of a wave is measured as the height from the equilibrium point to the highest point of a crest or the depth from the equilibrium point to the lowest point of a trough.