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JEE Physics · Medium

Sound Waves: Wave Parameters MCQ

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Wave ParametersMediumQuestion 31210

Question

Angular frequency ω of a sound wave with frequency f is:
  1. A
    f/2π
  2. B
    2πf
    Correct
  3. C
    f/π
  4. D
    πf

Correct answer

2πf

Explanation

ω = 2πf (rad/s). In the wave equation y = A sin(ωt − kx), ω = 2πf and k = 2π/λ.

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