Q:

What is the velocity of a wave that has a wavelength of 30 meters and a frequency of 12 Hz?

A:

Quick Answer

The formula for finding the velocity of a wave is to multiply its wavelength by its frequency. In this case, 30 m x 12 Hz = 360 meters per second.

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Full Answer

In the case of light waves, the speed of light is constant. The wavelength and frequency of the component colors of light vary inversely, however. Red light has a longer wavelength and, therefore, a lower frequency than blue light, and infrared radiation has a longer wavelength than red light. Ultraviolet light has a shorter wavelength than blue light; therefore, its frequency is higher. X-rays and gamma rays have extremely short wavelengths and very high frequencies. They also contain far more energy than photons of visible light.

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