What is the energy of a photon with:
a wavelength of 827 nm? What type of radiation is it?

Explanation:

Given parameters:

 Wavelength of photon  = 827nm  = 827  x 10⁻⁹m

Unknown:

Energy of the photon = ?

Type of radiation = ?

Solution:

The energy of a photon can be derived using the expression below:

      E =

h is the Planck's constant = 6.63 x 10⁻³⁴m²kg/s

c is the speed of light = 3 x 10⁸m/s

Insert the parameters and solve;

      E  =  

       E = 2.4 x 10⁻¹⁹J

Type of radiation:

Near infrared radiation

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explanation: