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Question 56
A gun is fired at a distance of 6.64 km away from Ram. He hears the sound 20 seconds later. Then the speed of sound is
Solution
Distance of gun from Ram = 6.64 km = 6640 m
Time = 20 seconds
=> Speed of sound = distance/time
= $$\frac{6640}{20}=332$$ m/s
=> Ans - (C)
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