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Which of the following statements are co...

Which of the following statements are correct with respect to the electromagnetic waves in an isotropic medium ?

A

Energy due to electric field is equal to that due to magnetic field .

B

Electric vector E and magnetic vector B are in phase .

C

For a given amplitude of E vector the intensity increases as the first power of frequency f .

D

For cylindrical wave fronts the amplitude of the wave varies in proportion to `1//r^(2)` where r is the radius of the wave front.

Text Solution

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The correct Answer is:
A, B
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