2. Calculate the minimum distance between sound source and reflection, if speed of sound is 330 m/s
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Answer:
Hii
Explanation:
The velocity of sound in dry air is approximately 343 m/s at a temperature of 25 °C. Therefore, the reflecting object must be more than 17.2m from the sound source for echo to be perceived by a person located at the source.
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harshdeep0408:
thanku so much
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