An echo has heard after 3s, what is the distance of reflecting surface from the source . Given that speed of sound is 342m/s.
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Answers
Answered by
1
342×3/2=
513
bro is 513m is right answer
513
bro is 513m is right answer
Answered by
10
Time = 3 s
Speed = 342m/s
Wavelength = ?
Frequency = 1 / time period
= 1 / 3
Speed = frequency X wavelength
342 = 1/3 X wavelength
Wavelength = 342X3 = 1026 m
Speed = 342m/s
Wavelength = ?
Frequency = 1 / time period
= 1 / 3
Speed = frequency X wavelength
342 = 1/3 X wavelength
Wavelength = 342X3 = 1026 m
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