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2.2 Thermal properties and temperature

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Question 255

A solar heat storage system contains a large block of concrete designed to store thermal energy during the day and release it at night to keep a greenhouse warm. Which combination of thermal capacity of the block and daytime temperature increase will store the greatest amount of thermal energy?

A

small thermal capacity of block, small daytime temperature increase

B

small thermal capacity of block, large daytime temperature increase

C

large thermal capacity of block, small daytime temperature increase

D

large thermal capacity of block, large daytime temperature increase

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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