Question

an object is placed 20 cm in front of a plane mirror.the mirror is moved 2 cm towads the object .the distance between the position of the original and final images seen in the mirror is
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Answer 1

Answer:

1. Now, if the mirror is moved 2 cm towards the object, then the distance between mirror and object = 20 cm – 2 cm = 18 cm. Also, the distance between mirror and image = 18 cm, which is 2 cm less than the initial case.