A thin equiconvex lens of glass of refractive index `mu=3//2` & of focal length `0.3m`in air is
Channel: Doubtnut
Date: 2020-08-23

A thin equiconvex lens of glass of refractive index `mu=3//2` & of focal length `0.3m`in air is sealed into an opeing at one end of a tank filled with water `(mu=4//3)` .Ont he oppostie side of the lens ,a mirror is placed inside the tank on the tank wall perpendicualar tot he lens axis ,as shown in figure .the seperation bertween the lens and the mirror is `0.8m`A small object is placed outside the tank in front of the lens at a distance of `0.9`m form the lens along its axis .Find the position (relative to the lens)of the image of the object fromed byt he stsyem.