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2.2 Thermal properties and temperature

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Question 374

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

What happens to the block of metal when its temperature falls by 15∘C15^\circ\text{C}15∘C?

A

Its internal energy decreases by 75 J75\text{ J}75 J.

B

Its internal energy decreases by 300 J300\text{ J}300 J.

C

Its internal energy increases by 75 J75\text{ J}75 J.

D

Its internal energy increases by 300 J300\text{ J}300 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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