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A concave spherical surface of radius of...

A concave spherical surface of radius of curvature `R = 20 cm` separates two media A and B having refractive indices `mu_(A) =(4)/(3)` and `mu_(B) =(3)/(2)`respectively. A point object is placed on the principal axis. Find the distance of the object from the surface so that its image is virtual when
(a) the object is in medium A.
(b) the object is in medium B.

Text Solution

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The correct Answer is:
(a) For all distance (b) For all distance
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