HC Verma - Concepts of Physics Part 1

Book: HC Verma - Concepts of Physics Part 1

Chapter: 18. Geometrical Optics

Subject: Physics - Class 11th

Q. No. 17 of Short Answer

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17

If a thin lens is dipped in water, does its focal length change?

By lensmaker’s formula we know that, the refractive index of lens does depend on nearby mediums. So, yes, it will change.


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