When a tuning fork, struck by a rubber pad is held over a length of the air column in a tube, it produces a loud sound for a fixed length of the air column.
Name the above phenomenon.

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Solution

When a tuning fork is struck by a rubber pad and held over a fixed length of air column in a tube, it creates a loud sound.
When the natural frequency of vibration equals the frequency with which the object is vibrating, resonance occurs, and the object's amplitude reaches its maximum.
Therefore, the given phenomenon is based on resonance.

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When a tuning fork, struck by a rubber pad is held over a length of the air column in a tube, it produces a loud sound for a fixed length of the air column.Name the above phenomenon.

When a tuning fork, struck by a rubber pad is held over a length of the air column in a tube, it produces a loud sound for a fixed length of the air column.
Name the above phenomenon.