DP Physics (first assessment 2025)

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Question 22N.1A.SL.TZ0.15

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.1A.SL.TZ0.15
Level SL Paper 1A Time zone TZ0
Command term Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
22N.1A.SL.TZ0.15

A standing wave is formed in a pipe closed at one end. The third harmonic has a frequency of 400 Hz when the speed of sound is 300 m s−1. What is the length of the pipe?


A.  316 m

B.  916 m

C.  34 m

D.  1416 m

[1]

Markscheme

B

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