Physics 5054 · O Level · Melting, boiling and evaporation

Melting, boiling and evaporation — practice question

A hairdryer is blown over the surface of water in a beaker so that the water evaporates. What would make the rate of evaporation of the water increase?

  • Adecreasing the speed of the air from the hairdryer
  • Bdecreasing the mass of the water in the beaker
  • Cincreasing the surface area of the water by using a wider beaker
  • Dincreasing the volume of the water in the beaker

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