The waves which cannot travel without medium are

Wave which cannot travel in vacumm is

Wave which cannot travel in vacumm is

Transverse waves cannot travel through

Statement-1: Transverse wave cannot travel in gaseous medium. Statement-2: They do not posses modulus of rigidity.

The EM waves when travel into different medium gets

The EM waves when travel into different medium gets

Assertion (A): Electromagnetic wave does not require any medium to travel. Reason (R): Electromagnetic wave cannot travel through any medium.

Why sound wave cannot travel through vaccum?