FAQ

What is the Photon Energy?
Photon Energy is the energy of a photon, which is a type of elementary particle that is the quantum of the electromagnetic field, including electromagnetic radiation such as light. Photon Energy is usually measured using the Joule for Energy. Note that the value of Photon Energy is always negative.
Can the Photon Energy be negative?
Yes, the Photon Energy, measured in Energy can be negative.
What unit is used to measure Photon Energy?
Photon Energy is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Photon Energy can be measured.
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