A note of frequency of 2000Hz has a velocity of \(400ms^{-1}\). What is the wavelength...
PHYSICS
WAEC 1994
A note of frequency of 2000Hz has a velocity of \(400ms^{-1}\). What is the wavelength of the note?
- A. 800m
- B. 200m
- C. 5m
- D. 0.2m
Correct Answer: D. 0.2m
Explanation
\(\lambda = \frac{v}{f} = \frac{400}{2000} = 0.2\)m
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