Ray Optics and Optical Instruments Part 1

Section: Physics

Question : 39 of 100

Marks: +1, -0

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 f1, then the ratio f1∕f is closest to the integer :

[7 Jan 2020 Shift 2]

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