Question:
A cylindrical vessel of diameter $12 \mathrm{~cm}$ contains $800 \pi \mathrm{cm}$ of water. A cylindrical glass piece of diameter $8.0 \mathrm{~cm}$ and height $8 \mathrm{~cm}$ is placed in the vessel. If the bottom of the vessel under the glass piece is seen by the paraxial rays fig. locate its image. The index of refractive of glass is $1.50$ and that of water is $1.33$.
Solution: