Question

1.Boojho saw a cracker burst at night at a distance from his house.He heard the sound of the cracker little later after seeing the cracker burst.Give reasons for the delay in hearing the sound.

Answer 1

• The primary reason of seeing the cracker burst and hearing the sound later is because the speed of sound and light.

• Speed of light is in the vicinity of 3*10^8m,/ sec while the speed of sound is at a distance of 332m/sec.

It is similar to lightning that strikes before the sound.

Answer 2

Answer:

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