Question

A small object is 10 cm in front of a plane mirror. A man stands 30 cm from the mirror behind the object and looks at the object's image. He should focus his eyes to see the image at a distance of ___ from himself. (Fill in the blank)

• A. 25 cm
• B. 35 cm
• C. 45 cm
• D. 40 cm

Answer 1

The correct option is D 40 cm

Hence man has to focus at 40 cm distance to focus on the image of the object formed on the plane mirror.