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4.1 Wave properties

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Question 15

A precast concrete panel is 18 cm thick. An ultrasonic pulse sent into one face returns after reflection from the opposite face in 0.080 ms. What is the speed of sound in the concrete?

[1]
A

4.5×105 m/s4.5\times10^5\ \mathrm{m/s}4.5×105 m/s

B

4.5×106 m/s4.5\times10^6\ \mathrm{m/s}4.5×106 m/s

C

2.3×103 m/s2.3\times10^3\ \mathrm{m/s}2.3×103 m/s

D

4.5×103 m/s4.5\times10^3\ \mathrm{m/s}4.5×103 m/s

Markscheme

4.1 Wave properties Questions

  1. GCSE
  2. /Physics
  3. /4.1 Wave properties

112 exam-style questions on Edexcel GCSE Physics 4.1 Wave properties, covering 4.1.1 Waves transfer energy and information, 4.1.2 Frequency, wavelength, amplitude, period and wavefronts, 4.1.3 Longitudinal and transverse waves, 4.1.4 The wave speed equations, 4.1.5 Measuring wave velocity, and 4.1.6 Calculating depth or distance from waves. Each one has a worked solution and a mark scheme showing where the marks go.

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