Physics, asked by Hemanthat9591, 10 months ago

what is the focal length of an acromatic doublet made of two lensesof dispersive powers 0.02 and 0.03 ? The focal length of the convex lens is 0.25m​

Answers

Answered by Anonymous
2

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.

Answered by alamannoushad
1

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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