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2.2 Thermal properties and temperature

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Question 105

Water in a beaker gains thermal energy at a rate of 2000 W. The water is at its boiling point.

The specific latent heat of vaporisation of water is 2260 J/g.

How long does it take for 400 g of the water to vaporise?

A

0.45 s0.45\text{ s}0.45 s

B

113 s113\text{ s}113 s

C

452 s452\text{ s}452 s

D

904 s904\text{ s}904 s

Markscheme

2.2 Thermal properties and temperature Questions

  1. IGCSE
  2. /Physics
  3. /2.2 Thermal properties and temperature

528 exam-style questions on CIE IGCSE Physics 2.2 Thermal properties and temperature, covering 2.2.1 Thermal expansion of solids, liquids and gases, 2.2.2a Internal energy and temperature, 2.2.2b Specific heat capacity, 2.2.3a Melting, boiling, condensation and solidification, 2.2.3b Evaporation, and 2.2.3c Cooling by evaporation. Each one has a worked solution and a mark scheme showing where the marks go.

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