Physics, asked by mdshanwz67821, 10 months ago

If the lens is take place in the water instead of air then what is focal length

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Answered by navrajkalsi2005

0

Answer: The focal length of a lens is very much affected when immersed in water. The reason is that the angle of refraction is dependent on the relative difference between the indices of refraction of the incoming medium and the medium of the lens. ... For a lens in air incident is close to one. For water it is 1.33 or so.

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