Question

explain why when some fireworks are at a distance we see the fireworks first rather than hearing the sound of explosion

Answer 1

this is because of the speed of light and sound. we know that light travels at the speed of 3x10^8 m/s while sound travels at 334 m/s.
We see the firework works first because the because burning emits light . It is a fact that it travels faster than sound . So the sound energy produced during the burning of fire work reaches us late . So we hear the found after vizualizing it
Speed of light= 300 million meters per second( approx)Speed of sound = 340 meters per second( approx)






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