How far should an object be placed from the pole of a converging mirror of radius of curvature 40 cm to form a real image of the size exactly 4th the size of the object?
Radius of curvature = 40 cm
F = R/2 = 40/2 = 20 cm

f=-20cm, m=-1/4 (real image)

We know that

Question

How far should an object be placed from the pole of a converging mirror of radius of curvature 40 cm to form a real image of the size exactly 4th the size of the object?

Philoid · Accepted Answer

Radius of curvature = 40 cm

F = R/2 = 40/2 = 20 cm

f=-20cm, m=-1/4 (real image)

We know that