A) Both light and sound waves in air are transverse
B) The sound waves in air are longitudinal while the light waves are transverse
C) Both light and sound waves in air are longitudinal
D) Both light and sound waves can travel in vacuum
Correct Answer: B
Solution :
In a longitudinal wave, the particles of the medium oscillate about their mean or equilibrium position along the direction of propagation of the wave itself. Sound waves are longitudinal in nature. In transverse wave, the particles of the medium oscillate about their mean or equilibrium position at right angles to the direction of propagation of wave itself. Light waves being electromagnetic are transverse waves.
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