Question

You are looking at the image of a pencil in a mirror. What do you see in the mirror if the top half of the mirror is covered with a piece of dark paper?

Answer 1

Answer:

Pencil's image will be visible.

Explanation:

Light is scattered off all the points of the pencil  and into all direction of space if light directed towards the mirror is reflected back into our eyes we can see the pencil.

If the top half of the mirror is covered with a piece of dark paper, Light is scattered off  the pencil  and reflected off the mirror can enter your eyes and you will see the image of the pencil.