WBCS.LIVE practice question

A shaving brush is dipped in water. When taken out the hairs of the brush are seen to be drawn together due to:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Surface tension of water
  2. Viscosity of water.
  3. Elasticity of the hairs of the brush.
  4. Temperature difference between air and water.

Correct answer and explanation

Correct answer: Surface tension of water