Question

If an object of 10 cm height is placed at a distance of 36 cm from a concave mirror of focal length 12 cm, find the position, nature and height of the image.

Answer 1

h₁ = 10 cm, u = -36cm,f = -12 cm

We know that

The position of the image is 18 cm in front of the mirror.

Magnification, m = h₂/h₁ = -v/u

h₂/10 = -(-18)/(-36)

h₂ = - 5 cm

The image formed is real and inverted.