Q905
The hair of shaving brush clings together when removed from water due to
A.
Surface tension
AnswerB.
Viscosity
C.
Elasticity
D.
Friction
Answer: Option A
Solution
Answer: Option A
Solution:
When the brush is taken out of water, the hairs cling together due to surface tension. This happens because the free surface of water tries to acquire a minimum surface area.