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Question

The frequency (f), wavelength (λ) and speed (v) of a sound wave are related as

The correct answer is

f = vλ

Correct Answer: (a) f = vλ

Explanation: The relationship between frequency, wavelength, and speed is given by the equation v = fλ, which can be rearranged to f = vλ.

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Important Questions from Oscillations & Waves

  1. Which of the following best describes the shape of a sinusoidal wave signal during one complete cycle?
  2. The length of a simple pendulum is increased four times to its previous value while the mass is doubled. What is the ratio of the new and previous time period of the pendulum?

  3. A resonant system has a fundamental frequency of 140 Hz. If the next higher frequencies that are able to give resonance are 280 Hz and 420 Hz the system could be
  4. In which type of wave do particles of the medium move parallel to the direction of wave propagation?
  5. The interference of two identical waves moving in opposite directions produces:
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