WBCS.LIVE practice question

A sound wave having frequency of 300 Hz is travelling in an unknown medium. Its wavelength is not known. It travels a distance equal to 150 times its wavelength in time t. The value of t is:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 0.5 s
  2. 1 s
  3. 1.5 s
  4. 2 s

Correct answer and explanation

Correct answer: 0.5 s