It took 2 s after lightning for the sound of thunder to reach you. How far did the lightning struck?Speed of sound is 346 m/s in air.
a) 346m
b) 692m
c) 173m
d) None of these
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(B) 692m
Speed of sound is 346m/s in air
Time =2s
Distance =?
∴d=s×t=346×2=692m
∴ The lightning struck 692m away.
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