Short answerEasy2 marks
A sound wave travelling in water has wavelength 0.4 m. 2 Is this wave audible in air ? (The speed of sound in water= 1400 ms–1)
Topic: Sound and vibrations
Previous-year question practice database
Answer
Exam answer
Yes.
Explanation
f = v/λ = 1400/0.4 = 3500 Hz, within the audible range 20–20,000 Hz.
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