DP Physics (first assessment 2025)

Question 21N.1A.SL.TZ0.11

Date	November 2021	Marks available	[Maximum mark: 1]	Reference code	21N.1A.SL.TZ0.11
Level	SL	Paper	1A	Time zone	TZ0
Command term		Question number	11	Adapted from	N/A

11.

[Maximum mark: 1]

21N.1A.SL.TZ0.11

A mass $m$ of a liquid of specific heat capacity $c$ flows every second through a heater of power $P$ . What is the difference in temperature between the liquid entering and leaving the heater?

A. $\frac{m c}{P}$

B. $273 + \frac{m c}{P}$

C. $\frac{P}{m c}$

D. $273 + \frac{P}{m c}$

[1]

Markscheme

Syllabus sections

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

Question 21N.1A.SL.TZ0.11

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