Question

13. Rahul saw a cracker burst at night at a distance from his house. He heard the sound of cracker a little after
seeing the cracker burst.
(Give reason for the delay in hearing the sound.
1
(b) Mention the value of concept used above.
(e) Can this sound provide soothing effect to an individual?
(d) Describe whether it is sound or noise,
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Answer 1

Answer:

good question

Explanation:

(a) The primary reason of seeing the cracker burst and hearing the sound later is because the speed of sound and light. ... It is similar to lightning that strikes before the sound.

(d) this is a noise