DP Physics (last assessment 2024)

Question 21M.1.SL.TZ1.17

Date	May 2021	Marks available	[Maximum mark: 1]	Reference code	21M.1.SL.TZ1.17
Level	SL	Paper	1	Time zone	TZ1
Command term		Question number	17	Adapted from	N/A

17.

[Maximum mark: 1]

21M.1.SL.TZ1.17

A pipe of length L is closed at one end. Another pipe is open at both ends and has length 2L. What is the lowest common frequency for the standing waves in the pipes?

A. $\frac{speed of sound in air}{8 L}$

B. $\frac{speed of sound in air}{4 L}$

C. $\frac{speed of sound in air}{2 L}$

D. $\frac{speed of sound in air}{L}$

[1]

Markscheme

Syllabus sections

Core

Core » Topic 4: Waves » 4.5 – Standing waves

Core » Topic 4: Waves

Question 21M.1.SL.TZ1.17

Select a Test

Syllabus sections

Confirm action