DP Physics (first assessment 2025)

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Question 22M.1A.SL.TZ1.10

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ1.10
Level SL Paper 1A Time zone TZ1
Command term Question number 10 Adapted from N/A
10.
[Maximum mark: 1]
22M.1A.SL.TZ1.10

A driver uses the brakes on a car to descend a hill at constant speed. What is correct about the internal energy of the brake discs?

A.  The internal energy increases.

B.  The internal energy decreases.

C.  There is no change in the internal energy.

D.  The internal energy is zero.

[1]

Markscheme

A

Examiners report

This question was well answered by HL and SL candidates, although option C did prove to be a distraction for some.

Syllabus sections