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A tuning fork makes `256` vibrations per second in air. When the speed of sound is `330 m//s`, the wavelength of the note emitted is :A. `1.29` mB. `2.1` mC. `0.5` mD. `0.9` m |
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Answer» Correct Answer - a Wave motion is a disturbance travelling through a medium. Wave velocity `v = nlambda` This relation holds for transverse as well as longitudinal waves. Here, `v(s) = 330ms^(-1), n = 256 ` So `lambda = v_(s)/n=330/256=1.29 m` |
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