The energy of a photon is 1.9227×10⁻⁴⁹ J.
A photon is a particle of light defined as a discrete bundle (or quantum) of electromagnetic (or light) energy.
The relationship between the amount of energy (E) transported by the photon and its frequency (f) is determined by the following expression, where the energy of a photon is obtained by multiplying Planck's constant h by the frequency f of electromagnetic radiation:
E=h×f
The energy of a photon in this case
In this case, you know:
h= 6.63×10⁻³⁴ Js
f= 2.9×10⁻¹⁶ Hz
Replacing in the definition of energy of a photon:
E= 2.9×10⁻¹⁶ Hz× 6.63×10⁻³⁴ Js
Solving:
E= 1.9227×10⁻⁴⁹ J
Finally, the energy of a photon is 1.9227×10⁻⁴⁹ J.
Learn more about the energy of a photon:
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