If we fill a tank with water to a height of 12.5 cm, the apparent dept – InterviewSolution

1.	If we fill a tank with water to a height of 12.5 cm, the apparent depth of a needle lying at the bottom of the tank is measured to be 9.4 cm. What is the refractive index of water?
Answer» If we fill a tank with water to a height of 12.5 cm, the apparent depth of a needle lying at the bottom of the tank is measured to be 9.4 cm. What is the refractive index of water?

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