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Forums
Physics
Classical Physics
Optics
Understanding the Energy of a Photon: A Closer Look at the Underlying Formula
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[QUOTE="jtbell, post: 5509404, member: 20524"] For relativistic particles, the general relationship between energy, momentum and mass is $$E = \sqrt {(pc)^2 + (mc^2)^2}$$ where m is the invariant mass (often called the "rest mass"). For photons, m = 0 which leads to E = pc. [/QUOTE]
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Forums
Physics
Classical Physics
Optics
Understanding the Energy of a Photon: A Closer Look at the Underlying Formula
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