what is hz
what is sound
what is vibration
how sound propagates
what is oscillation
and etc these type of questions from ch sound with answer
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1. Hz is the unit of frequency.
2. Sound is a material wave produced by vibrations.
3.Vibration can be referred to as movement of substance from mean to extreme position.
4.Sound propogates through a medium such as air water and solid.
5. Oscillation is like vibration that is movement from mean position to extreme position.
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