WBCS.LIVE practice question

Water rises up a capillary tube because of

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

Answer options

  1. Elasticity
  2. Surface tension
  3. Viscosity
  4. its density

Correct answer and explanation

Correct answer: Surface tension

Explanation: āœ… Correct Answer: B) Surface tension šŸ“š Explanation: Water rises up a narrow capillary tube due to the phenomenon of surface tension. The adhesive forces between the water and the tube walls pull the liquid upward against gravity. This process is what allows plants to transport water from their roots to their leaves. It is a fundamental physical property of liquids in small spaces.