Asked by Aanya

I really dont know how to do this one...Can someone please explain? Many thanks!!!

a travelling microscope is focused on a mark on the base of an empty beaker.Now the microscope is raised up by 1 cm.and now for it be focused on the previous mark,how much height of water should be filled to the beaker?
Refractive index of water=4/3

Answers

Answered by bobpursley
something is missing.
Answered by Aanya
Radius of the beaker?
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