Wavelength Formula

Before starting let us have a quick recap of what is wavelength. The distance between any two consecutive crests for a wave is called its wav.len. This is true for troughs also. But the distance between one crest and one trough cannot be considered as it does not make any sense.
Wave length is one of the primary and the most important feature of the wave. Many other features such as speed of the wave are dependent on it and are sometimes derived from it.
Represented by lambda or an inverted v like shape, wave length has a relation or dependency on frequency which we going to discuss here. Let us state Wavelength Frequency Formula first.

I like to share this formula for wavelength with you all through my article. 

Lambda = c / f - - - - - - - -(1)
Here f is the frequency.
Lambda is the wav.len.
C is the speed and has the value which is constant and equal to 3 * 108 m / sec.
Similarly we have the Frequency to Wavelength Formula which is more or less similar to what we have stated above. Just the format is rearranged.
F = c / lambda
Here F is the frequency of the wave. Units can be Hertz as standard unit.
Here lambda is the length of the wave.
We also have the relation between energy of the wave and its wav.len.
E = h f
E = h c / lambda
Here h is a constant and hence has a fixed value.

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E is the energy associated with the wave.
Let us now discuss UV Light Wavelength. For the ultraviolet light the wave.len. is shorter than that of visible light. But is longer than that of X ray. The normal and most accepted range for it is from 10 nanometer to 400 nano-meter. Due to this length and frequency it is invisible to naked human eye but has significant effect on human body. The wave Length Of the light ray is used to specify a particular spectrum for it. This is a good way to classify it.
Wavelength to Frequency Formula is of utter importance for solving most of the mathematical problems.
As discussed we have different wave length for different regions of light rays and for different types we have different spectrum regions assigned for the same. Longest Wavelength Color is red. This is for visible region. As the wave Length increases the frequency will decrease which is evident from the formula.