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Q.

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 because the light is faster than sound.


ndSubtopic: We Hear Sound through Our Ears


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
Light travels faster than sound. So, the light from the cracker reaches faster than the sound of the cracker.
Sound speed in air = 330 m/s
Light speed in air = 3 ×108 m/s (much faster)
 
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