Question

An object 0.02cm in length is placed 0.24M
from a lens
and the image formed is 0.6m
in height and erect. Calculate the focal length
of the lens.​

Answer 1

Answer:

A convex lens of focal length 25cm and a concave lens of focal length is 10cm is placed in closed contact with each other, calculate the lens power of this combination

Explanation:

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