There is a mark at the base of an empty beaker The mark is

Last updated: 6/13/2023

There is a mark at the base of an empty beaker The mark is focussed with the help of a microscope from above If tur pentine oil of 4 cm height is poured in the beaker the micro scope is to be raised by 1 28 cm upwards to focus the mark Determine the refractive index of the turpentine oil 1 47