TS EAMCET Engineering 12 May 2023 Shift 1 Solved Paper

An empty tank has concave mirror as its bottom. When sunlight falls normally on the mirror, it is focussed at a height of 32‌cm from the mirror. If the tank is filled with water upto a height of 20‌cm, then the sunlight focusses at
(refractive index of water =‌

4

3

)