A person noticing the waves of the sea from the beach. He concludes that the wave peaks are separated by $16 m$ and occurs at a rate of $1$ wave every $2$ seconds. Find out the velocity of these sea waves?

4 m / s

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8 m / s

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16 m / s

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32 m / s

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64 m / s

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Solution

The correct option is B $8 m / s$
Given that wave peaks are at a distance of $16 m$ , it means wavelength of wave is $λ = 16 m$ , and rate of wave means time period $T = 2 s$ , or frequency $f = 1 / 2 H z$
now by , $v = f λ$
$v = \frac{1}{2} \times 16 = 8 m / s$

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A person noticing the waves of the sea from the beach. He concludes that the wave peaks are separated by 16 m and occurs at a rate of 1 wave every 2 seconds. Find out the velocity of these sea waves?

The correct option is B 8 m/sGiven that wave peaks are at a distance of 16m , it means wavelength of wave is λ=16m , and rate of wave means time period T=2s , or frequency f=1/2Hz now by , v=fλ v=12×16=8m/s

A person noticing the waves of the sea from the beach. He concludes that the wave peaks are separated by $16 m$ and occurs at a rate of $1$ wave every $2$ seconds. Find out the velocity of these sea waves?

The correct option is B $8 m / s$
Given that wave peaks are at a distance of $16 m$ , it means wavelength of wave is $λ = 16 m$ , and rate of wave means time period $T = 2 s$ , or frequency $f = 1 / 2 H z$
now by , $v = f λ$
$v = \frac{1}{2} \times 16 = 8 m / s$