during lightening, we see light first and after a while, we hear sound. why?
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because speed of light is more than speed of sound in per unit time.
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during lightning we see light first and after a while we hear sound because light travels faster than sound and hence we see light first and hear the sound next.
The speed of light is 3×10^8metre /second in air.
The speed of sound is 340metre/second.
The speed of light is 3×10^8metre /second in air.
The speed of sound is 340metre/second.
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