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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They will become plane wave fronts.

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

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

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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