1.

uI Suund depends.A bat can hear sound at frequencies up to 120KHz. Determine thesound in air at this frequency.(Take speed of sound in air as 344m/s.)wavelength of

Answer»

Frequency =120 KHz =120000 HzFrequency= Speed of light /WavelengthSo, wavelength=Speed of light/ frequency=344/120000 = 0.00287 m.



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