An echo is heard after 5 s 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?
A. 0.085 km
B. 0.85 km
C. 0.17 km
D. 1.7 km
Answer: Option B
This Question Belongs to Physics GK Chapter Wise >> Sounds Waves And Motion
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