Question 4
Our ears can hear sound frequencies up to about 20,000 Hz.
What is the wavelength in air at 20oC of sound waves of this frequency?
- A. 6.86*106 m
- B. 1.72*10-2 m
- C. 5.83*101 m
- D. 10.8*10-2 m
- E.
Not close to any of the above
Formula Sheet
Question 3 ...
Question 5 ...
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