Surface Tension & Capillarity

Here are some MCQs on Surface Tension & Capillarity

1. Which of the following is the correct definition of surface tension?

a) The force experienced by a molecule at the surface of a liquid

b) The force experienced by a molecule inside a liquid

c) The force experienced by a molecule in a gas

d) The force experienced by a molecule in a solid

2. Surface tension is caused by:

a) Gravity

b) Cohesion

c) Adhesion

d) Viscosity

3. Surface tension is measured in:

a) Newtons

b) Newtons per meter

c) Meters per second

d) Joules

4. The shape of a liquid drop is determined by:

a) Gravity

b) Surface tension

c) Adhesion

d) Viscosity

5. Which of the following liquids has the highest surface tension?

a) Water

b) Mercury

c) Ethanol

d) Oil