DP Physics (first assessment 2025)

Question 19N.1A.SL.TZ0.9

Date	November 2019	Marks available	[Maximum mark: 1]	Reference code	19N.1A.SL.TZ0.9
Level	SL	Paper	1A	Time zone	TZ0
Command term		Question number	9	Adapted from	N/A

[Maximum mark: 1]

19N.1A.SL.TZ0.9

A mass $m$ of water is at a temperature of 290 K. The specific heat capacity of water is $c$ . Ice, at its melting point, is added to the water to reduce the water temperature to the freezing point. The specific latent heat of fusion for ice is $L$ . What is the minimum mass of ice that is required?

A. $\frac{17 m c}{L}$

B. $\frac{290 m c}{L}$

C. $\frac{17 m L}{c}$

D. $\frac{290 m L}{c}$

[1]

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Syllabus sections

B. The particulate nature of matter » B.1 Thermal energy transfers

Question 19N.1A.SL.TZ0.9

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