16. Assertion (A): Sound waves cannot propagate through vacuum but light waves can. Reason (R): Sound waves are transverse and light waves are longitudinal waves.

#Physics - Class 11

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16. Assertion (A): Sound waves cannot propagate through vacuum but light waves can. Reason (R): Sound waves are transverse and light waves are longitudinal waves.

mindfreedomof 24th Mar, 2021

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Answer (1)

Vibhanshu 24th Mar, 2021

(A) Both A and R are true and R is the correct explanation of A

Sound waves are longitudinal in nature and light waves are transverse in character. Moreover light wave is electromagnetic in nature. That's why light waves do not need a material medium for its propagation. Moreover sound wave requires material medium for it's propagation.

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