Question

During a thunderstorm the thunder is heard 3 sec after the flash of lightning is seen, if speed of sound is 330 metre per second. Find the distance at which lightning took place. ​

Answer 1

Answer:

Explanation:

Speed of light is 300000 kilometers/sec... so time taken by light is almost 0 seconds.

so time taken by sound=2 seconds

speed of sound=340m/s

We know that :-

Distance=speed× time

Distance=340×2=680 m

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