Propagation of sound The travelling of sound is called propagation of sound. Sound cannot propagates in absence of medium (vaccum).
Sound needs a medium to propagate (travels). Sound travels through solid, liquid and gas.
The medium must posses the following properties for the propagation of waves.
Harmonium is an example of ____________________ . | |||
Right Option : B | |||
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An electric bell is fitted in a vessel, conneted to a vacuum pump. The bell is switched on. The air is gradually withdrawn from the vessel, when the bell is working. the loudness of sound of the bell will: | |||
Right Option : B | |||
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In which of the following does sound travel the fastest ? | |||
Right Option : B | |||
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