A microscope is focussed on a point at the base of an empty

Last updated: 6/18/2023

A microscope is focussed on a point at the base of an empty vessel Now water 3 is poured in it up to a height of 4 cm Next a light oil 2 is placed on water up to a height of 2 cm The oil does not mix with water In this condition by how much should the microscope be raised to focus the particular point 1 67 cm