Multiple Choice
A helium-neon laser emits light at 632.8 nm.If the laser emits 1.82 1017 photons/second,what is its power output in mW?
A) 57.2 mW
B) 28.6 mW
C) 37.2 mW
D) 45.7 mW
Correct Answer:
Verified
Correct Answer:
Verified
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