In an echo scenario, the time measured is for the sound's round trip (source to obstacle and back), so the distance to the obstacle is half the total distance traveled by the sound.
An echo is heard after 5 seconds of the production of sound which moves with a speed of 340 m/s. What is the distance of the mountain from the source of sound which produced the echo ?
Asked in UPSC CDS 2 2019 · Topic: Sound (Reflection of Sound: Echo, Reverberation, and their Applications)
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