DP Physics (last assessment 2024)

Question 18N.3.SL.TZ0.a

Date	November 2018	Marks available	[Maximum mark: 1]	Reference code	18N.3.SL.TZ0.a
Level	SL	Paper	3	Time zone	TZ0
Command term	State	Question number	a	Adapted from	N/A

[Maximum mark: 1]

18N.3.SL.TZ0.a

In an investigation to measure the acceleration of free fall a rod is suspended horizontally by two vertical strings of equal length. The strings are a distance d apart.

When the rod is displaced by a small angle and then released, simple harmonic oscillations take place in a horizontal plane.

The theoretical prediction for the period of oscillation T is given by the following equation

$T = \frac{c}{{d\sqrt g }}$

where c is a known numerical constant.

State the unit of c.

[1]

Markscheme

${m^{\frac{3}{2}}}$ ✔

Accept other power of tens multiples of ${m^{\frac{3}{2}}}$ , eg: ${cm^{\frac{3}{2}}}$ .

Syllabus sections

Core

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

Core » Topic 1: Measurements and uncertainties

Question 18N.3.SL.TZ0.a

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