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Q.

Assertion (A): The formula connecting u, v and f for a spherical mirror is valid only for mirrors whose sizes are very small compared to their radii of curvature.
Reason (R): Laws of reflection are strictly valid for plane surfaces, but not for large spherical surfaces.
Mark your answer.

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a

If assertion is false, Reason is true

b

If Assertion is true, Reason is false

c

If assertion is true, Reason is true, Reason is not a correct explanation for Assertion

d

If assertion is true, reason is true, Reason is the correct explanation for Assertion

answer is C.

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