JEE Main 7 Jan 2020 Shift 2 Solved Paper
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Question : 14 of 75
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A thin lens made of glass (refractive index = 1.5) of focal length f = 16 cm is immersed in a liquid of refractive index 1.42. If its focal length in liquid is f 1 , then the ratio f 1 ∕ f is closest to the integer :
[7 Jan 2020 Shift 2]
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