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The diagram in the figure shows three ways in which the string of length l in an instrument can vibrate. (a) Which of the diagram shows the principal note? (b) Which vibration has the frequency four times that of the first? (c) Which vibration is of longest wavelength? (d) What is the ratio of frequency of vibrations in diagram (i) and (ii)? |
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Answer» The diagram in the figure shows three ways in which the string of length l in an instrument can vibrate.
(a) Which of the diagram shows the principal note? (b) Which vibration has the frequency four times that of the first? (c) Which vibration is of longest wavelength? (d) What is the ratio of frequency of vibrations in diagram (i) and (ii)? |
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