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Q.

Spherical wavefronts, emanating from a point source,strike a plane reflecting surface. What will happen to these wave fronts, immediately after reflection?

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a

They will become plane wave fronts.

b

They will remain spherical, with the same curvature, but sign of curvature reversed.

c

They will remain spherical with the same curvature, both in magnitude and sign.

d

They will remain spherical, but with different curvature, both in magnitude and sign.

answer is C.

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Detailed Solution

The wavefront will remain to be spherical after reflection from the surface but their direction of propagation will be revered.

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