A microscope is focused on a mark on a piece of paper and then a slab of glass of thic H
Channel: Doubtnut
Date: 2020-01-19

A microscope is focused on a mark on a piece of paper and then a slab of glass of thickness `3cm` and refractive index `1.5` is placed over the mark. How should the microscope be moved to get the mark in focus again ?