DP Physics (first assessment 2025)

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Question 22N.1A.SL.TZ0.14

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.1A.SL.TZ0.14
Level SL Paper 1A Time zone TZ0
Command term Question number 14 Adapted from N/A
14.
[Maximum mark: 1]
22N.1A.SL.TZ0.14

A sound wave travels through a gas at a speed of 270 m s−1. The graph shows the variation of the displacement s of the gas particles with distance d from the source.

What is the frequency of the wave?


A.  180 Hz

B.  360 Hz

C.  450 Hz

D.  900 Hz

[1]

Markscheme

A

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