Physics, asked by sanashreya, 10 months ago

as there are 2 types of lenses, if the focal length of a concave lens is 1 or 2 inches what will be the diameter?

Answers

Answered by hdthebest95

0

Explanation:

Diameter means 2R

R=2f

R=4 inches

D=8 inches

For F=1 inch

R=2inches

D=4 inches

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