Question

A small object is placed 10cm in front of a plane mirror. If you stand behind the object 30 cm from the object and look at its image, the distance focused for your eye will be :

• A. $60cm$
• B. $20cm$
• C. $40cm$
• D. $80cm$

Answer 1

Answer: (C)

$40cm$

See following ray diagram
The distance focussed for eye $=30+10=40cm$