WAEC - Physics (1994 - No. 31) | ExamPlay

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

Explanation

\(\lambda = \frac{v}{f} = \frac{400}{2000} = 0.2\)m

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