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  4. STATEMENT-1: 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 because STATEMENT-2: Laws of reflection are strictly valid for plane surfaces, but not for large spherical surfaces.

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Q. STATEMENT-1 : 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 because
STATEMENT-2 : Laws of reflection are strictly valid for plane surfaces, but not for large spherical surfaces.

JEE AdvancedJEE Advanced 2007

Solution:

All the formulae linked to spherical surfaces are derived based on the assumption that the aperture is very small.