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When light propagates in vacuum there is...

When light propagates in vacuum there is an electric field and a magnetic field. These fields

A

constant in time

B

mutually perpendicular

C

having zero average values

D

both perpendicular to the direction of propagation of light

Text Solution

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The correct Answer is:
B, D
Electric and magnetic fields in an electromagnetic (light) wave are mutually perpendicular and also perpendicular to the direction of propagation of light.
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