Physics (AS & A Level) · May / June 2021 · Paper 13 · Question 28
9702Diffraction
The speed of sound in air is 330 m s⁻¹. Which size of architectural features in a large concert hall would best diffract sound waves of frequency 0.44 kHz?
- A1.3 mm
- B750 mm
- C7.5 m
- D17 m
As printed in the paper
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Correct answer: B. 750 mm
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