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Boojho saw a cracker burst at night at a distance from his house. He heard the sound of the cracker a little later after seeing the cracker burst. Is it true that this is because light is faster than sound?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
Sound travels at a far slower rate than light. In the air, sound travels at a speed of around

330 m / s

. In contrast, light can travel through a vacuum at a speed of

300

million meters per second. Light and sound move at varying rates via various media.
In the air, the speed of light is equal to

= 3 \times 10^{8} m / s

In the air, the speed of sound is equal to

= 330 m / s

Because the speed of sunlight is faster than the speed of sound, Boojho detected the sound of the cracker a little later after witnessing the cracker burst.

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