HESI A2 Practice Test

Category - Introductory Physics

The speed of sound in a particular gas is 900 m/s. A sound wave propagating in this material has a wavelength of 15 m. What is the frequency of this sound?
  1. 30 Hz
  2. 60 Hz
  3. 6,800 Hz
  4. 13,500 Hz
Explanation
Answer: B - 60 Hz
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