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A real object AB has its image as IM whe...

A real object AB has its image as IM when placed in front of a spherical mirror. XY is the principal axis of the mirror.
(a) Draw a ray diagram to locate the position of the mirror and its focus.
(b) Find the focal length of the mirror.

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The correct Answer is:
Mirror is at a distance of 10 cm from A. Concave mirror, `f = 7.5 cm`
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