JEE Advanced 2013 Paper 1

Section: Physics
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Question : 2 of 60
 
Marks: +1, -0
The image of an object, formed by a plano-convex lens at a distance of 8m behind the lens, is real and one-third the size of the object The wavelength of light inside the lens is
2
3
times the wavelength in free space. The radius of the curved surface of the lens is:
[JEE Adv 2013 P1]
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