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5.1 Wave behaviour

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Question 18
F

Two students measure the speed of sound in air outdoors.

Student X bangs two wooden blocks together. Student Y stands 200 m away.

Student Y starts a stopwatch when she sees the blocks hit and stops it when she hears the sound.

Which change would make the measured speed more accurate?

[1]
A

Stand closer together so that the sound is louder at Y

B

Use a louder sound so that it travels faster to student Y

C

Use a stopwatch that only reads to the nearest second

D

Stand further apart so that the time measured is longer

Markscheme

5.1 Wave behaviour Questions

  1. GCSE
  2. /Physics
  3. /5.1 Wave behaviour

52 exam-style questions on OCR GCSE Physics 5.1 Wave behaviour, covering 5.1.1 Describing wave motion, 5.1.2 Wavelength and frequency, 5.1.3 Wave speed, frequency and wavelength, 5.1.4 Wave speed problems, 5.1.5 Transverse and longitudinal waves, 5.1.6 Sound waves crossing between media, 5.1.7 Reflection, transmission and absorption at interfaces, 5.1.8 Sound waves and vibrations in solids, 5.1.9 Frequency range and human hearing, 5.1.10 Modelling waves with water ripples and sound, and 5.1.11 Evidence that the wave travels, not the medium. Each one has a worked solution and a mark scheme showing where the marks go.

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