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Wavelength of two notes in air are 1 m and `1(1)/(164)`m. Each note produces 1 beats/s with a third note of a fixed frequency. The speed of sound in air isA. `330 m//s`B. `340m//s`C. `350 m//s`D. `328 m//s` |
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Answer» Correct Answer - A `lamda_1=1m, lamda_2=(165)/(164)m` `f_1=(C )/(1)`,`f_2=(164C)/(165)` `f-f_2=2` `(C )/(165)=2` , `C=330 m//s` |
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