Physics, asked by svghsudaykiran26, 10 days ago

biconvex lens if the image and object distance are 20 and 30 cm find the focal length

Answers

Answered by ranaarushi2010

0

Answer:

The object is at 30 cm distance from the lens, i.e. u=−30cm. Focal length of the convex lens is 20 cm, i.e. f=20cm.

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