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WAEC - Physics (1994 - No. 31)
A note of frequency of 2000Hz has a velocity of \(400ms^{-1}\). What is the wavelength of the note?
800m
200m
5m
2m
0.2m
Forklaring
\(\lambda = \frac{v}{f} = \frac{400}{2000} = 0.2\)m
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