Question

An observer can see through a pin-hole the

top end of a thin rod of height h, placed as

shown in the figure. The beaker height is 3h

and its radius h. When the beaker is filled with

a liquid up to a height 2h, he can see the lower

end of the rod. Then the refractive index of the

liquid is​

Answer 1

is it okay for you .

The answer is in attachment.

Answer 2

Answer:

Explanation:the light ray comes from the rod and we have to find the refraction