Question

The radius of curvature of concave mirror is 50cm. Where should an object be placed from the mirror so as form its image at infinity? Justify your answer.

Answer 1

Explanation:

Here R=50 cm, f=R/2=50/2=25 cm The object held at focus, that is 25cm from the mirror, will be placed at infinity

Answer 2

Answer_formulae-the radius of curvature of concave÷2=50/2=25