A photon of blue light has a higher frequency and a lower wavelength than a photon of red light.
The wavelength of light is the distance between corresponding points in two adjacent light cycles, and the frequency of light is the number of cycles of light that pass a given point in one second.
Wavelength is typically represented by λ, the lowercase Greek letter lambda, while frequency is represented by ν, the lowercase Greek letter nu
Red light has a wavelength of ~700 nm, and a frequency of ~4.3*[tex]10^{14}[/tex] Hz. Visible light makes up just a small part of the full electromagnetic spectrum.
Wavelength of blue light: 450nm and frequency of blue light 6.66 * [tex]10^{14}[/tex] Hz
Blue light has higher frequency, shorter wavelength and more energy.
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