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Question

Physics Question on Atoms

Radio waves and visible light in vacuum have

A

same velocity same wavelength

B

different velocity different wavelength

C

same velocity but different wavelength

D

same wavelength but different velocity.

Answer

same velocity but different wavelength

Explanation

Solution

In vacuum all e.m.e.m. waves have same velocity i.e.3×108i.e. 3 \times 10^8 m s−1s^{-1}