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If the initial tension on a stretched string is doubled, then the ratio of the initial and final speeds of a transverse wave along the string is:
(a)
(b)
(c)
(d)

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Important Questions on Waves
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The length of the string of a musical instrument is and has a fundamental frequency of Where should it be pressed to produce fundamental frequency of

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In a guitar, two strings and made of same material are slightly out of tune and produce beats of frequency . When tension in is slightly decreased, the beat frequency increases to . If the frequency of is , the original frequency of will be:

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