DP Physics (last assessment 2024)

Question 18N.1.SL.TZ0.17

Date	November 2018	Marks available	[Maximum mark: 1]	Reference code	18N.1.SL.TZ0.17
Level	SL	Paper	1	Time zone	TZ0
Command term		Question number	17	Adapted from	N/A

17.

[Maximum mark: 1]

18N.1.SL.TZ0.17

Two strings of lengths L₁ and L₂ are fixed at both ends. The wavespeed is the same for both strings. They both vibrate at the same frequency. L₁ vibrates at its first harmonic. L₂ vibrates at its third harmonic.

What is $\frac{{{L_1}}}{{{L_2}}}$ ?

A. $\frac{1}{3}$

B. 1

C. 2

D. 3

[1]

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Core » Topic 4: Waves » 4.5 – Standing waves

Core » Topic 4: Waves

Question 18N.1.SL.TZ0.17

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