An observer heard the sound of thunder 5.8s after the lig...
An observer heard the sound of thunder 5.8s after the lightning flash was seen. How far was he from the source? [Speed of sound in air = 330ms-1]
957m
1914m
3828m
8700m
17400m
Correct answer is B
VELOCITY=DISTANCE/TIME
Distance = 330×5.8 Distance = 1914m
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