Question

Please give detailed explanation ​

Answer 1

Answer:

d)5

Explanation:

magnification of lens is directly proportional to focal length

greater the focal length more is the magnification and vice versa

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Answer 2

Answer:

option d)5.

Explanation:

if the final image at infinity it means the the object is at focus.

angular magnification MA= D/f = 25/f = 25/5 = 5.

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