Physics, asked by tejaindupalli, 10 months ago

A convex lens is having radii of curvatures 5 cm and 15 cm. If the focal length of the convex lens is 7.5 cm when it is kept in air then refractive index of material of lens is

Answers

Answered by balavasanthi726

1

Explanation:

aIT WILL BE 678IHDHEYSUDYD

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