Question

If the distance of the object and distance of the images formed by a convex lens is -10cm and 20cm respectively ,calculate the magnification

Answer 1

Answer:

Given,

Image distance (v) = 20 cm

Object distance (u) = -10 cm

We know,

M = v / u

M = 20 cm / -10 cm

∴ M = -2

Explanation: