Physics, asked by belawadiprakash, 9 months ago

in shift method of determining focal length of convex lens an object and a screen are placed 60cm apart. a cobvex lens produces two images at a distance separated by 20cm. the focal length of the lens is what​

Answers

Answered by ameerrfenill
0

Answer:

focal length depends upon refractive index of lens with respect to medium. hence, after immersing of lens in water focal length of lens increases. A convex lens made of glass is immersed in water.As a result,its focal length will increase

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