Question

If an object is placed 20 cm in front of a plane mirror, where will its image be formed?

10 cm behind the mirror



20 cm in front of the mirror



40 cm behind the mirror



20 cm behind the mirror

Answer 1

Answer:Initially, the object is placed 20 cm in front of mirror. So the image will form 20 cm behind the mirror. distance between mirror and image = 18 cm, which is 2 cm less than the initial case.Initially, the object is placed 20 cm in front of mirror. So the image will form 20 cm behind the mirror. distance between mirror and image = 18 cm, which is 2 cm less than the initial case.Initially, the object is placed 20 cm in front of mirror. So the image will form 20 cm behind the mirror. distance between mirror and image = 18 cm, which is 2 cm less than the initial case.Initially, the object is placed 20 cm in front of mirror. So the image will form 20 cm behind the mirror. distance between mirror and image = 18 cm, which is 2 cm less than the initial case.

Explanation: