Question
Question: A small object is placed 10 cm infront of a plane mirror. If you stand behind the object 30 cm from ...
A small object is placed 10 cm infront of a plane mirror. If you stand behind the object 30 cm from the mirror and look at its image, the distance focused for your eye will be
A
60 cm
B
20 cm
C
40 cm
D
80 cm
Answer
40 cm
Explanation
Solution
See following ray diagram

The distance focussed for eye
=30+10=40 cm