Question

When an object is placed at 25 cm from
a concave lens, a virtual image is produced
at a distance of 10 cm. Calculate the

magnification produced by the lens. solve the problem. ​

Answer 1

Explanation:

for lens magnification (m) =

V ( image distance ) / U ( object distance)

here v = - 10 cm.

u = - 25cm .

so magnification = - 10 cm / -25cm

m = 2 / 5 = 0.4

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