Question

Jatin puts a pencil into a glass container having water and is surprised o see the pencil in a different state.

(i) What change is observed in the appearance of the pencil?

(ii) Name the phenomenon responsible for the change.

(iii) Draw a ray diagram showing how the eye sees the pencil.

Answer 1

1. The pencil appears to be broken at the junction of water, air seperation i.e. it also appears shorter and raised.

2. The phenomenon responsible for the above observation is the refraction of light and APPARANT DEPTH in passing from water to air.

3. The ray diagram for the same is as shown below :