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For light diverging from a point source...

For light diverging from a point source

A

the wavefront in spherical.

B

the intensity decreases in proportion to the distance squared.

C

the wavefront is parabolic.

D

the intensity at the wavefront does not depend on the distance.

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Verified by Experts

The correct Answer is:
A, B
wave front light of point source is spherical. Intensity of light emited by plane source of constant power `P, I = (P)/(4pi r^(2))`
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