Question

find the magnification of a convex lens of focal length 10 centimetre when the upper right image of the lens is formed at the distance of near point of eye​

Answer 1

Answer:

V= -25

F=10

1/f-1/v =1/u

1/10 - (-1/25) =1/u

1/10 + 1/25 = 1/u

7/50 = 1/u

50/7 = u

M= v/u

=