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2.2.3a Melting, boiling, condensation and solidification

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Question 42

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

2.2.3a Melting, boiling, condensation and solidification Questions

  1. IGCSE
  2. /Physics
  3. /2.2.3a Melting, boiling, condensation and solidification

313 exam-style questions on CIE IGCSE Physics 2.2.3a Melting, boiling, condensation and solidification. Each one has a worked solution and a mark scheme showing where the marks go.

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