Q3.Give reason a) We hear the sound of the cracker a little later after seeing the cracker burst. b) We cant talk to each other in space as we do on earth. c) Vibrating wings of bees produce sound that is shrill. d) A person, pressing his ear on the railway tracks can hear an approaching train.
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3
Explanation:
a) because the speed of light is more than the speed of sound
b) because there is no atmosphere in the space
c) because it is an uniform motion of wings
d) because the sound also travel in the iron
Answered by
2
Explanation:
a) because the speed of light is more than the speed of sound
b) because there is no atmosphere in the space
c) because it is an uniform motion of wings
d) because the sound also travel in the iron
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