During a thunderstorm if you notice at 3 second delay between the flash of lightning and sound of thunder .What is the approximate distance of thunderstorm from you .
Answers
Answered by
3
Answer:
speed of light is more than speed of sound
sound needs medium
sound doesn't travell in vacuum
light can travel in vacuum
Answered by
11
Answer: 1km (approx.)
EXPLANATION:
Speed of sound is 343 m/s (speed of sound in dry air at 20 °C )
Note: Since the speed of light is 3* 10^8 m/s , in this question we'll be ignoring the time taken by light to reach our eyes since it is approximately zero seconds.
The thunder is heard 3 seconds after the flash of lighting.
We know that Speed = Distance/ Time
So,
343 = d/3
D = 343*3
D = 1029
:.The approximate distance of the thunderstorm is 1km.
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