the mirror must be moved

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P is a point on the axis of a concave mirror. The image of P, formed by the mirror, coincides with P. A rectangular glass slab of thickness t and refractive index μ is now introduced between P and the mirror. For the image of P to coincide with P again, the mirror must be moved
15
Nov
P is a point on the axis of a concave mirror. The image of P, formed by the mirror, coincides with P. A rectangular glass slab of thickness t and refractive index μ is now introduced between P and the mirror. For the image of P to coincide with P again, the mirror must be [...]
Posted in: Cengage NEET by C.P Singh , Chapter 17 - Refraction of Light by Plane Surfaces , Part 2 ,
Tags: coincides with P. A rectangular glass slab of thickness t and refractive index μ is now introduced between P and the mirror. For the image of P to coincide with P again , formed by the mirror , P is a point on the axis of a concave mirror. The image of P , the mirror must be moved ,