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.
Answers
Answered by
4
a) We hear the sound of the cracker a little later after seeing the cracker burst because the speed of light is more than the speed of sound.
b) We can't talk to each other in space as we do on Earth because in space there is vaccum and sound does not travels in vaccum.
Hey !!! I know the answer of only 2.......I hope this will help u.......
Similar questions