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Laws of Reflection

an object is ...

Question

an object is kept at a distance of 4m in front of a spherical mirror which froms its erect image at a distance of 1m from the mirror. what is the magnification? is the mirror convex or concave?

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Solution

Magnification, m = - ( Image distance / Object distance ) = - 1 / 4 = - 0.25

Nature of the mirror = Concave

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