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IIT JEE Advanced 2010 Paper 2

Section: Physics

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Question : 7

Total: 57

A large glass slab (µ = 5/3) of thickness 8 cm is placed over a point source of light on a plane surface. It is seen that light emerges out of the top surface of the slab from a circular area of radius R cm. What is the value of R?

[JEE Adv 2010 P2]

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