An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
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The sensation of sound persists in the human brain for about:
BROWN : BNORW :: SOUND : ?
Which of the following statements is true?
The velocity of sound is :
The repeated reflection that results in persistence of sound is called
Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
Sound is a
What is the range of frequencies of sound waves audible to human beings?
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