Answer:
30 Hz
Explanation:
by the definition,
V = fλ
where,
- V -The velocity of wave
- λ - wavelength
- f - frequency
The frequency of a wave is the number of times per second that the wave cycles. - measured in Hertz (Hz)
wavelength of a wave is the distance between corresponding points of two consecutive waves.
[tex]Velocity=Frequency*wave.length\\Frequency=\frac{velocity}{wave.length} \\=\frac{3ms^{-1} }{0.1m} \\\\=30 Hz[/tex]
