Question

Which of the following statements is true?

(a) Both light and sound waves can travel in the vacuum

(b) Both light and sound waves in air are transverse

(c) The sound waves in air are longitudinal while the light waves are transverse

(d) Both light and sound waves in air are longitudinal

The question was asked in examination.

My query is from Beats topic in section Waves of Engineering Physics I

Answer 1

The correct choice is (c) The sound waves in air are longitudinal while the light waves are transverse

To explain I would say: The sound waves in air are longitudinal while the light waves are transverse.