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Date May 2014 Marks available 1 Reference code 14M.1.SL.TZ1.10
Level Standard level Paper Paper 1 Time zone Time zone 1
Command term Question number 10 Adapted from N/A

Question

A fixed mass of water is heated by an electric heater of unknown power P. The following quantities are measured

I. mass of water
II. increase in water temperature
III. time for which water is heated.

In order to calculate P, the specific heat capacity of the water is required. Which are also required?

A. I and II only
B. I and III only
C. II and III only
D. I, II and III

Markscheme

D

Examiners report

 

Syllabus sections

Core » Topic 3: Thermal physics » 3.1 – Thermal concepts
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