Question

an eco return in bisect. what is the distance reflecting surface from the source. speed of sound is 342m/s

Answer 1

Speed of sound,u = 342 m/s

Time taken for hearing the echo,t = 6 s

Distance travelled by the sound,u t = 342*6 = 2052

speed= distance/time

so,distance of the reflecting surface from the source = 2052/2 = 1026 m

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