Question:
A pole of length $1 \mathrm{~m}$ stands half dipped in a swimming pool with water level $50.0 \mathrm{~cm}$ higher than the bed. The refractive index of water is $1.33$ and sunlight is coming at an angle of $45^{\circ}$ with the vertical. Find the length of the shadow of the pole on the bed.
Solution:
