How are the wave length and frequency of a light ray related to each other?

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Answer 1 · 2017-01-09T14:46:47

Frequency x wave length= speed of light. enter image source here

Frequency x wave length= speed of light.

Answer 2 · 2017-01-09T14:53:53

The relationship light waves is no different than any other wave; the product of the wavelength and frequency is equal to the speed of the wave.

Let $lambda =$ the wavelength of any wave.
Let $f =$ the frequency of that wave.
Let $v =$ the speed of that wave.

The relationship between these three is:

$v = lambdaf$

For light, we have special symbol, C, that we use to represent its speed. Therefore, for light, the equation becomes:

$C = lambdaf$