Physics, asked by swaddmasteeh6650, 1 year ago

A convex lens is held in water. What change, if any, do you expect in its focal length?

Answers

Answered by pallavimondal

0

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A CONVEX LENS IS HELD IN WATER THEN ITS FOCAL LENGTH WILL BE DECREASED SINCE IT HAS BEEN TRANSFERRED FROM AIR TO THE WATER MEDIUM THE REFRACTIVE INDEX WILL BE CHANGED HENCE THE FOCAL LENGTH WILL ALSO BE CHANGED THAT IS IT WILL DECREASE...

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Answered by tausifr0786

0

Focal length of any mirror (concave) does not depend on medium, so it remains unchanged. If refractive index of the material of convex lens is greater than that of water, then its focal length will increase.

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