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2.2 Thermal properties and temperature

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Question 34

An experimenter heats a sample of Liquid A in a beaker using a constant power heater.

The temperature of Liquid A rises by $∘C12\,^\circ\text{C}$ in time $t$ .

She then heats the same volume of Liquid B in an identical beaker using the same heater.

The specific heat capacity of Liquid A is 2.0 times that of Liquid B, and Liquid A is 1.25 times denser than Liquid B.

What is the time required for the temperature of Liquid B to rise by $∘C12\,^\circ\text{C}$ ?

A

$0.40 t$

B

$0.63 t$

C

$1.6 t$

D

$2.5 t$

Markscheme

2.2 Thermal properties and temperature Questions

IGCSE
Physics
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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