Optics Question 281

Question: The electromagnetic waves travel with a velocity

[J & K CET 2002]

Options:

A) Equal to velocity of sound

B) Equal to velocity of light

C) Less than velocity of light

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

Velocity of EM waves = $ \frac{1}{\sqrt{{\mu _{0}}{\in _{0}}}}3\times 10^{8}m/s $ =velocity of light



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