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Which of the following colors has the highest photon energy?
A. Blue
B. Green
C. Yellow
D. Red
Explain your reasoning.


Sagot :

Green because in a physical form a photon IS green

The energy of a photon is directly proportional to its frequency. 
That means it's inversely proportional to its wavelength.

The end of the visible spectrum the highest frequency /shortest
wavelength is the blue end.