Question

Image formed by the plane mirror is behind the mirror and distance of object and image from the mirror
is same if a person initially at a distance of 20 cm from the mirror moves away from one mirror at the
rate of 5 cm/s. Find the distance between image and object at the end of 10 seconds:
(A) 20 cm
(B) 100 cm (C) 120 cm (D) 140 cm
​

Answer 1

Answer:Distance between mirror and object after 10 sec.=50cm

Distance between object and image =100 cm

Hope it helps you!