DP Physics (first assessment 2025)

Question 19N.1A.SL.TZ0.8

Date	November 2019	Marks available	[Maximum mark: 1]	Reference code	19N.1A.SL.TZ0.8
Level	SL	Paper	1A	Time zone	TZ0
Command term		Question number	8	Adapted from	N/A

[Maximum mark: 1]

19N.1A.SL.TZ0.8

The tension in a horizontal spring is directly proportional to the extension of the spring. The energy stored in the spring at extension $x$ is $E$ . What is the work done by the spring when its extension changes from $x$ to $\frac{x}{4}$ ?

A. $\frac{E}{16}$

B. $\frac{E}{4}$

C. $\frac{3 E}{4}$

D. $\frac{15 E}{16}$

[1]

Markscheme

Syllabus sections

A. Space, time and motion » A.3 Work, energy and power

Question 19N.1A.SL.TZ0.8

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