Question

The flash of an eploding cracker is seen even before we hear the so.
Why?
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Answer 1

Answer:

speed of light is more than that of sound

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Answer 2

Answer:

This is because the speed of light ( 3 x 10⁸ m/s) is faster than the speed of sound (340 m/s). Therefore the rays of light from the firecracker reaches our eyes before the sound from the firecracker can reach our ears. This is the same principle associated with lighting and thunder.

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