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5.1 Wave behaviour

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Question 27
H

Humans cannot hear sound with a frequency of 50 kHz50\ \text{kHz}50 kHz.

Which statement explains why?

[1]
A

Sound waves above 20 kHz20\ \text{kHz}20 kHz travel too fast through air to reach the ear

B

Sound waves above 20 kHz20\ \text{kHz}20 kHz have too long a wavelength to move the eardrum

C

The cochlea can only detect sounds that have a large amplitude and a low speed

D

The parts of the ear can only vibrate in response to a limited range of frequencies

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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