A diverging lens of focal length 10cm is placed 10cm away in front of a plane mirror as shwon in figure. Light from a very far away source falls on the lens. An observer is situated some where in between lens and mirror, and observer is looking towards mirror. The observer will see the image behind teh mirror at a distance.

Options

A. 10cm from the mirror
B. infinite away from mirror
C. 20cm from mirror
D. no image will be formed behind mirror

Answer

c.

Explanation

`I_(1)` is the image formed by the lens which will act as object for mirror. Mirror will form image `I_(2)` of `I_(1)` .
Such that `MI_(1)=MI_(2)`.