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A transverse wave is produced on a stretched string 0.9 m long and fixed at its ends. Find the speed of the transverse wave, when the string vibrates while emitting second overtone of frequency 324 Hz. |
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Answer» Given : Length of string, `l=0.9 m` Frequency of second overtone `=(2+1)n=324Hz.` `3n=324Hz` `n=108Hz` Now, `lambda = 2l` `n=(v)/(lambda)` `rArr v=n lambda = 2nl` Speed of transverse wave (v) `=2xx108 xx0.9` `=194.4 m//s.` |
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