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2.2 Thermal properties and temperature

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Question 118

A heater supplies 150 J of energy to a block of copper. The temperature of the block rises by 30∘C30^\circ\text{C}30∘C.

What happens to the block of copper when its temperature falls by 20∘C20^\circ\text{C}20∘C?

A

Its internal energy decreases by 100 J100\text{ J}100 J.

B

Its internal energy decreases by 225 J225\text{ J}225 J.

C

Its internal energy increases by 100 J100\text{ J}100 J.

D

Its internal energy increases by 225 J225\text{ J}225 J.

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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