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Explain what do you mean by free oscillation.
What is dumped oscillation? Give an example.
What do you mean by resonant?
A sharp and intense sound is heard when a tuning fork struck against a rubber pad is held over a resonance tube and the length of the air column in the tube is adjusted for a particular value. Explain why.
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In a sonometer experiment. it is found that when a tuning fork struck against a rubber pad is held close to the sonometer wire without touching the board, the vibration in the air is not noticeable. However, if the stem of the tuning fork is pressed against the board, the vibration of the stem is quite distinct. Explain why?
Bells are made of metals but not of wood. Why?
What are transverse and longitudinal waves? Give an example of each.
What are the properties of longitudinal waves?
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