Question

find the velocity of the wave shown in the figure .

Answer 1

by the formula
v=f *lambda
so f= 1/t
f=1/10
wavelength=1.5m
v=1/10*1.5
v=0.15m/s
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Answer 2

The velocity of the wave is 0.15 m/s.

Explanation:

We know that,

The distance between two consecutive crest and trough is called wavelength. Here, $\lambda=1.5\ m$

Time taken by the wave to complete one cycle is called time period of the wave, here, T = 10 s

If f is the frequency. It is given by :

$f=\dfrac{1}{T}$

$f=\dfrac{1}{10}$

f = 0.1 Hz

Let v is the velocity of the wave. It is given by :

v = f λ

So, $v=0.1\ Hz\times 1.5\ m$

v = 0.15 m/s

So, the velocity of the wave is 0.15 m/s.

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