Question

2)When we see the pencil
from the top of the glass when
immersed a pencil we can see
the
?​

Answer 1

Answer:

When a pencil is kept in a glass tumbler of water, it appears bent due to refraction of light. When a ray of light travels from a rarer medium(air) to a denser medium(water) it bends towards the normal. Thus, the pencil appears bent.

However, if the pencil is kept inside turpentine or kerosene the bending is not the same as water since it is less dense than water(refractive index of kerosene is greater than water)