Interactive practical

Speed of sound from stationary waves

Slide a microphone between a loudspeaker and a reflecting board, find nodes on the oscilloscope at five frequencies and determine the speed of sound from a graph of wavelength against 1/f.

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Practice: Speed of sound from stationary waves

Eduqas A420QS — this practical matches your selected course; the questions check the method, data handling and practical skills.

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6 additional questions require A-Level Physics Premium access.

2 of 2 available questions match the selected filters. This session contains 2 questions.

Question 1 · 1 mark · Foundation · Practical · Diagnostic

How far apart are adjacent nodes in a stationary wave?

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Question 2 · 3 marks · Standard · Practical · Practical method

Explain how a stationary sound wave forms between the loudspeaker and the board.