Quick picks on surface tension

Exercise and reference answers

Questions

1. Question

   Surface tension is a force per unit:

   Choices

   1. Length
   2. Volume
   3. Weight

   Correct choice

   Length

2. Question

   It equals surface energy per unit:

   Choices

   1. Mass
   2. Area
   3. Time

   Correct choice

   Area

3. Question

   Water on a lotus leaf will:

   Choices

   1. Spread flat
   2. Soak right in
   3. Form droplets

   Correct choice

   Form droplets

4. Question

   A free drop takes the shape of a:

   Choices

   1. Sphere
   2. Cube
   3. Disc

   Correct choice

   Sphere

5. Question

   Detergents act as agents that help liquids:

   Choices

   1. Freeze
   2. Wet
   3. Boil

   Correct choice

   Wet

Instructions

Tap the correct answer before the round moves on.

Explanation