Question

What is the value of magnification produced by a convex lens when an object is
kept at a distance from the pole which is twice the focal length of the lens? .​

Answer 1

Answer:

1

Explanation:

1/v +1/ 2f = 1/f

1/v = 1/2f

v = 2f

so magnification = 2f/2f = 1

Answer 2

Answer:

1/3

Explanation:

Object distance, u=−2f

Image distance, v=?

From mirror formula,

remaining answer is in attachment

Hope it helps

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