Multiple Choice
A solid state pulsed laser has an energy of 400 mJ per pulse.If its wavelength is 1.06 * 10-6 m, how many photons are in each pulse?
A) 2 * 1025
B) 2 * 1021
C) 3 *1018
D) 6 * 1038
E) 2 * 1018
Correct Answer:
Verified
Correct Answer:
Verified
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