A person on a pier observes a set of incoming waves that have a sinusoidal form with a distance of 1.6 m between the crests. If the wave lapse against the pier every 4 s, what are:
(a) the frequency?

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Solution

Step 1- Given data
$T = 4 s e c o n d s$ ,wavelength $λ = 1.6 m .$
where T is the time period, and f is the frequency.
Step 2- Finding the frequency of the wave.
Formula for frequency of a wave is-
$f = \frac{1}{T}$
$f = \frac{1}{T} = \frac{1}{4} = 0.25 H z .$
Thus, the frequency of the wave is $0.25 H z$ .

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A person on a pier observes a set of incoming waves that have a sinusoidal form with a distance of 1.6 m between the crests. If the wave lapse against the pier every 4 s, what are:(a) the frequency?

Step 1- Given dataT=4seconds,wavelength λ=1.6m. where T is the time period, and f is the frequency.Step 2- Finding the frequency of the wave.Formula for frequency of a wave is-f=1Tf=1T=14=0.25Hz.Thus, the frequency of the wave is 0.25Hz.

A person on a pier observes a set of incoming waves that have a sinusoidal form with a distance of 1.6 m between the crests. If the wave lapse against the pier every 4 s, what are:
(a) the frequency?