Question

The speed of electromagnetic wave in vacuum depends
upon the source of radiation. It
(a) increases as we move from γ-rays to radio waves
(b) decreases as we move from γ-rays to radio waves
(c) is same for all of them
(d) None of these

Answer 1

Answer:

Answer is C - is same for all of them...

Explanation:

speed of electromagnetic wave in vacuum is given by :-

c ( speed of light ) = frequency × wave length = 1/M0E0 = constant

as we go from gamma rays to radio waves frequency decreases and wave length increases thereby maintaining the product constant.

HOPE THIS WILL HELP YOU...

PLEASE MARK MY ANSWER AS BRAINLIST..