A hollow cylinder has diameter 10 cm and height 8.64 cm. When vessel is empty, observer E can see the point mark A. If vessel is filled with a liquid, he can see the point mark at the center. Find the refractive index of liquid.
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answer is 0001.50.
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Detailed Solution
μsinα=1×sinβ ⇒μ552+(8.64)2=10102+(8.64)2 ⇒μ=1.5 when the vessel is filled with the liquid due to refraction the light ray will bend and makes to see the mark at the cenre.According to snells law the problem is solved.