Question

what is the sign of object distance for concave mirror when the object is on center of curvature or beyond the center of curvature ?​

Answer 1

When the object is always Negative (-) Concave & Convex mirror

Then The object is on center of curvature or Beyond the Center of curvature is sign is negative (-)

Answer 2

Hello ,

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negative (-) for all positions of concave mirror or lens

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