Concept explainers
(a)
Explain how a paper sheet on holding its edge against a vibrating tine can produce sound and also explain about the time interval at which the vibrations are audible.
(b)
Explain how the pressing of handle of a tuning fork against a chalkboard or tabletop can produce sound and also explain about the time interval at which the vibrations are audible.
(c)
Explain how the tuning fork on holding it above an air column of sufficient length can produce sound and also explain about the time interval at which the vibrations are audible.
(d)
Explain how the tuning fork on holding close to an open cut slot in a form plastic sheet or a cardboard can produce sound and also explain about the time interval at which the vibrations are audible.
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