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Subjects
Science CBSE
Class 9
Sound
Textbook questions
5.
Exercises V
Exercise condition:
5
m.
A person has a hearing range from \(20\ Hz\) to \(20\ kHz\). What are the typical wavelengths of sound waves in air corresponding to these two frequencies? Take the speed of sound in air as \(344\ m s^{−1}\).
Wavelength at
\(20\ Hz\) \(=\)
\(m\)
Wavelength at
\(20\ kHz\) \(=\)
\(m\)
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