Answers

2015-12-26T16:08:18+05:30
Sound is like wave that requires medium for propergating. Sound produces by vibrating objects.............
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sound travels in longitudinal wave
2015-12-26T16:29:31+05:30
Sound needs a medium it is unlike light . It is a vibration . Sound cannot travel through vaccum . It takes time to travel. It is not a magnetic radiation.
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Tone is a measure of the quality of a sound wave