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What is the wavelength of sound waves in hydrogen gas corresponding to the lower limit of audibility ? If speed of sound in hydrogen gas is 1350m/s

Lower limit of audibility ( frequency) = 20 hertz speed = 1350 m/s^2. Therefore, wavelength = speed / frequency = 1350/20 = 67.5 m.
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WAVELENGTH=1350/20=67.5 
WHERE LOWER LIMIT OF AUDIBILITY IS 20 HZ
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The speed is given as 1350m/s^2. For the lower limit of audibility,frequency is 20 Hz.so wavelength=1350/20=67.5m
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thats the correct answer
 
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how to find 8th

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The wavelength of soundwaves in hydrogen gas corresponding to the lower limit of audibility is speed in hydrogen gas about 1350m/s.

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lower limit of audibility=20 Hz speed =1350m/s^2 therefore, wavelength=speed/frequency =1350/20 =67.5m
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Hihihi

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