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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 17 - Refraction of Light by Plane Surfaces > A slab of glass of refractive index 1.5 and thickness 3cm is placed with the faces perpendicular to the principle axis of a concave mirror. If the radius of curvature of the mirror is 10cm, the distance at which an object must be placed from the mirror so that the image coincides with the object is

A slab of glass of refractive index 1.5 and thickness 3cm is placed with the faces perpendicular to the principle axis of a concave mirror. If the radius of curvature of the mirror is 10cm, the distance at which an object must be placed from the mirror so that the image coincides with the object is

A slab of glass of refractive index 1.5 and thickness 3cm is placed with the faces perpendicular to the principle axis of a concave mirror. If the radius of curvature of the mirror is 10cm the distance at which an object must be placed from the mirror so that the image coincides with the object is