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12 July, 06:05

A wave has a Wavelength of 3 meters and a Frequency of 15Hz. What is its velocity?

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  1. 12 July, 06:48
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    Velocity of the wave is 45 m/s

    Explanation:

    Wavelength of light is given to be 3 m. It measures the distance between two successive crests or troughs of the wave. Frequency is 15 Hz.

    Frequency is given by the following equation

    f = v/λ, where f is the frequency, v is the velocity of wave and λ is the wavelength.

    v = f * λ

    ⇒ v = 15 * 3 = 45 m/s
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