Question

Given below are some statements about sound.
(i) Light and sound both require a medium for propagation.
(ii) Sound travels slower than light. (iii) Sound is produced by vibrations. (iv) Sound requires a medium for propagation.

Which of the following shows the correct combination of statements?
a. iii and iv
b. i, ii and iii
c. ii, iii and iv
d. i, ii and iv​

Answer 1

I think the correct answer is c