it was a raining day . Rohit was sitting besides the window when he saw a lightning . He started his stop watch . He found that after 22 seconds of lightning it's roaring sound was heard . Calculate the height of the clouds which caused this lightning. Given ,speed of light=3×10^8m/s and speed of sound =340m/s

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Solution

It took 22 seconds for the sound waves to travel from source to the observer Rohit.

So, Time = 22 s

Speed of sound = 340 m /s

Distance = Speed × Time

= 340 × 22

= 7480 m

= 7.48 km

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It took 22 seconds for the sound waves to travel from source to the observer Rohit. So, Time = 22 s Speed of sound = 340 m /s Distance = Speed × Time = 340 × 22 = 7480 m = 7.48 km

It took 22 seconds for the sound waves to travel from source to the observer Rohit.

So, Time = 22 s

Speed of sound = 340 m /s

Distance = Speed × Time

= 340 × 22

= 7480 m

= 7.48 km