Explanation:
Given parameters:
Wavelength of photon = 1nm = 1 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 = [tex]\frac{h c}{wavelength}[/tex]
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 = [tex]\frac{6.63 x 10^{-34} x 3 x 10^{8} }{1 x 10^{-9} }[/tex]
E = 1.98 x 10⁻¹⁸J
Type of radiation:
X-rays
A photon's energy E is equal to hv = hc/λ,, where v is the electromagnetic radiation's frequency and c is the wavelength.
In quantum physics, energies are usually measured in electron volts (1 eV = 1.6 × 10⁻⁹ J) while wavelengths are measured in nanometers (1 nm = 10⁻⁹ m).
High-energy electromagnetic radiation, such as X-rays and gamma rays, are both forms of high-energy electromagnetic radiation. They are energy packets with no charge or mass . Photons are the units of energy that make up these packets.
Find out more information about 'Wavelengths'.
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