A concave lens of refractive index 1.5 is immersed in a ...

CBSE Class 12 Physics 2015 Delhi Set 1 Paper

Question : 3 of 26

Marks: +1, -0

A concave lens of refractive index 1.5 is immersed in a medium of refractive index 1.65.
What is the nature of the lens?

Solution:

When the refractive index of the matériel of concave lens is less than the refractive index of the surrounding medium, then the lens behaves opposite in nature i.e., convex lens.

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