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Physics (AS & A Level) · Feb / March 2024 · Paper 12 · Question 24

9702Progressive waves

The range of frequencies of sound waves emitted by blue whales is 10 Hz to 40 Hz. The speed of sound in seawater is approximately 1.5 km s⁻¹. What is the approximate range of wavelengths of the sound waves emitted by blue whales?

  1. A6.7 mm to 27 mm
  2. B3.8 cm to 15 cm
  3. C6.7 m to 27 m
  4. D38 m to 150 m

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Correct answer: D. 38 m to 150 m

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