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How can a particle that has zero mass (travels at the speed of light) carry energy, and excite cells in our eyeballs?
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How can a particle that has zero mass (travels at the speed of light) carry energy, and excite cells in our eyeballs?

User Vojtiik
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12 votes

Answer:

Quantum theory states that electromagnetic radiation travels in discrete amounts with energy

h ν = E = h c / f

User Sunseeker
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