Question

A Concave mirror produces three times magnified image on a screen. If the object is placed 20 cm. in front of the mirror. The distance of screen from the object is ?

Answer 1

Answer:

Explanation:

Image distance, v = ? The screen is placed in front of the mirrors at a distance of 60 cm from the pole of the mirror. Thus, the screen is placed 40 cm (= 60 cm - 20 cm) away from the object.

Answer 2

Answer:

Solution. Image distance, v = ? The screen is placed in front of the mirrors at a distance of 60 cm from the pole of the mirror. Thus, the screen is placed 40 cm (= 60 cm - 20 cm) away from the object.