Frequency is the number of wave passing through a certain point per unit time. The frequency of the given wave is 6.5 Hz.
Frequency:
It is the rate of wave oscillation per unit time. It is measure in Hertz. One Hertz is equals to a wave passing from a point in 1 second.
Frequency of the wave can be calculate by the formula,
[tex]\bold {V = f\lambda }[/tex]
Where,
V - speed of the wave = 65 m/s
f - Frequency = ?
[tex]\bold {\lambda }[/tex] - wavelength = 10 m
put the values in the formula and calculate it for f,
[tex]\bold {65 = 10\times f}\\\\\bold {f = \dfrac {65}{10}}\\\\\bold {f = 6.5 Hz}[/tex]
Therefore. the frequency of the given wave is 6.5 Hz.
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