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Frequency never changes since it depends only on source.

Speed can either increase or decrease, depending on the direction of travel of light. This would cause an increase or decrease in wavelength respectively.

Speed increases when light travels from an optically denser medium to an optically less dense one. (For example, when light travels from water to air)

Speed decreases when light travels from an optically less dense medium to an optically denser medium.

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As the wavelenght decreases what happens to the waves frequency?

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When light enters a denser medium, its speed decreases, causing it to bend or refract toward the normal of the boundary between the two mediums. The frequency of the light remains constant as it passes through the boundary, but its wavelength changes.


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Related Questions

What happens to the wavelenght of a wave when the frequencey of the wave doubled but speed stays same?

Speed = wavelength x frequency, so wavelength = speed / frequency. Therefore, the wavelength is inversely proportional to the frequency. Double the frequency means half the wavelength.


As the wavelenght decreases what happens to the waves frequency?

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