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1. |
A vibrating tuning fork is placed over the mouth of a burette filled with water.The tap of the burette is opened and the water level gradually starts falling. It is found that the round.from the tuning fork becomes very loud for a particular length of the water column. (i) Name the phenomenon taking place when this happens. (ii) Why does the sound became very loud for this length of the water column? |
Answer» (i) Resonarce. (ii) The frequency of the tuning fork and the natural frequency of the vibrating air column become equal. The air column vibrates with large amplitude thus producing a loud sound. |
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