Question

Which of the following waves does not require any medium for its propagation?
a)sound waves
b)waves on strings
c)waves on the surface of water
d)radio waves

Answer 1

Heya!!

Radio waves do not require any material medium for their propagation.

So, (D)Radio waves is the correct answer

Hope it helps✌️✌️

Answer 2

Answer:

$\huge \underline \mathbf \green{Answer}$

→ (D)radio waves