Assertion (A): Sound cannot be propagated on the moon.
Reason (R) : Sound requires a medium to propagate

Assertion : Sound wave cannot propagate through vacuum but light can. Reason : Sound wave cannot be polarised but light can.

Sound in air propagates in form of:

Which of the following statements are correct? (i) Sound is produced by vibrations. (ii) Sound requires a medium for propagation. (iii) Light and sound both require a medium for propagation. (iv) Sound travels slower than light.

Sound waves requires a ________ for propagation.

Assertion : Sound waves cannot propagate through vacuum but light waves can. Reason : Sound waves cannot be polarised but light waves can.