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The phenomenon of capillary action is primarily due to:

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Question: The phenomenon of capillary action is primarily due to:

Options:

  1. Surface tension and cohesion
  2. Surface tension and adhesion
  3. Viscosity and density
  4. Gravity and pressure

Correct Answer: Surface tension and adhesion

Solution: 

Capillary action occurs due to the combination of surface tension (which pulls the liquid up) and adhesion (which attracts the liquid to the walls of the tube).

The phenomenon of capillary action is primarily due to:

Practice Questions

Q1
The phenomenon of capillary action is primarily due to:
  1. Surface tension and cohesion
  2. Surface tension and adhesion
  3. Viscosity and density
  4. Gravity and pressure

Questions & Step-by-Step Solutions

The phenomenon of capillary action is primarily due to:
  • Step 1: Understand that capillary action is when a liquid moves up a narrow space, like a thin tube.
  • Step 2: Learn that this movement happens because of two main forces: surface tension and adhesion.
  • Step 3: Surface tension is the force that pulls the liquid up, making it want to stay together at the surface.
  • Step 4: Adhesion is the force that attracts the liquid to the walls of the tube, helping it stick and climb up.
  • Step 5: When both surface tension and adhesion work together, they allow the liquid to rise in the tube.
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