Physics, asked by su76341, 10 months ago

relation between focal length in air and in water

Answers

Answered by Akramsaifi7011

0

Explanation:

The focal length of a lens is very much affected when immersed inwater. The reason is that the angle ofrefraction is dependent on the relative difference between the indices ofrefraction of the incoming medium and the medium of the lens. ... For a lens inair nincident is close to one. For water it is 1.33 or so.

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