Multiple Choice
Which of the following photons has the lowest energy?
A) a photon from a green laser pointer with 532 nm
B) a photon from a tanning bed with 325 nm
C) a photon from a telescope with 700 nm
D) a photon from a quasar with 125 nm
E) a photon from a red LED bulb with 635 nm
Correct Answer:

Verified
Correct Answer:
Verified
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