Question

A microscope focussed on a pin lying at the bottom of
a beaker reads 3.965 cm. When a liquid is poured up
to a height of 2.537 cm into the beaker, the microscope
focussed again on the pin reads 3.348 cm. Find the
refractive index of the liquid.​

Answer 1

Answer:

answer is 1.321

I hope is it correct.