What is surface tension?

Practice Questions

Q1
What is surface tension?
  1. Force per unit length
  2. Energy per unit area
  3. Pressure difference
  4. Viscosity of a liquid

Questions & Step-by-Step Solutions

What is surface tension?
  • Step 1: Understand that surface tension is a property of liquids.
  • Step 2: Imagine the surface of a liquid like a stretched elastic sheet.
  • Step 3: Realize that molecules at the surface of the liquid are attracted to each other.
  • Step 4: This attraction creates a 'skin' on the surface, making it behave differently than the liquid below.
  • Step 5: Surface tension is the force that acts along this surface, trying to minimize the area of the liquid.
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