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ICSE Class 10 Answered

what difference would be felt by a listener when hearing sounds of wavelength 1.3 metre and 2.6 metre travelling at the same velocities?
Asked by kumargangwarn | 17 Oct, 2020, 08:54: AM
Expert Answer
As we know, for a sound wave the frequency of sound is inversely proportional to its wavelength.
i.e., v equals n lambda space rightwards double arrow n space proportional to space 1 over lambda
And as we know pitch is a characteristic of sound waves which depends on its frequency as well as wavelength.
It allows distinguishing between two sound waves travelling with same speed and arriving our ears at the same time. 
Hence for the given case, wavelength of 1.3 m sound wave will have higher pitch of sound compared to 2.6 m wavelength sound wave.
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