The speed of electromagnetic wave in vac...

The speed of electromagnetic wave in vacuum depends upon the source of radiation. It

A

Increases as we move from `gamma`-rays to radio waves

B

Decreases as we move from `gamma`-rays to radio waves

C

Is same for all of them

D

None of these

Verified by Experts

The correct Answer is:

C

`c= 3 xx 10^(8) m//s`

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