Multiple Choice
A laser emits a single, 3.0-ms pulse of light that has a frequency of 2.83 × 1011 Hz and a total power of 65 000 W. How many photons are in the pulse?
A) 6.0 × 1023
B) 1.2 × 1024
C) 2.4 × 1025
D) 3.6 × 1025
E) 4.8 × 1026
Correct Answer:
Verified
Correct Answer:
Verified
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