DP Physics (last assessment 2024)

Question 18M.3.SL.TZ1.b.iii

Date	May 2018	Marks available	[Maximum mark: 1]	Reference code	18M.3.SL.TZ1.b.iii
Level	SL	Paper	3	Time zone	TZ1
Command term	State	Question number	b.iii	Adapted from	N/A

b.iii.

[Maximum mark: 1]

18M.3.SL.TZ1.b.iii

A magnetized needle is oscillating on a string about a vertical axis in a horizontal magneticfield B. The time for 10 oscillations is recorded for different values of B.

M18/4/PHYSI/SP3/ENG/TZ1/01_01

The graph shows the variation with B of the time for 10 oscillations together with the uncertainties in the time measurements. The uncertainty in B is negligible.

State the unit of K.

[1]

Markscheme

${\text{s}}{{\text{T}}^{\frac{1}{2}}}$

Accept $s\sqrt T$ or in words.

[1 mark]

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Core

Core » Topic 1: Measurements and uncertainties » 1.2 – Uncertainties and errors

Core » Topic 1: Measurements and uncertainties

Question 18M.3.SL.TZ1.b.iii

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