Question

Fill in the blanks in the following.
1. A person 1 m in front of a plane mirror seems to be ___ m away from his image.
2. If you touch your ___ ear with right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with ___.
3. The size of the pupil becomes ___ when you see in dim light.
4. Night birds have ___ cones than rods in their eyes.

Answer 1

(a) A person 1 m in front of a plane mirror seems to be 2 m from his image.
(b) If you touch your left ear with right hand in front of a plane mirror it will be seen in the mirror that your right ear is touched with left hand.
(c) The size of the pupil becomes large when you see in dim light.
(d) Night birds have less cones than rods in their eyes.