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Solved: A laser produces a beam of light with a wavelength
Chapter 7, Problem 95P(choose chapter or problem)
QUESTION:
Problem 95P
A laser produces a beam of light with a wavelength of 532 nm. If the power output is 25.0 mW, how many photons does the laser emit per second? (1 W = 1 J/s.)
Questions & Answers
QUESTION:
Problem 95P
A laser produces a beam of light with a wavelength of 532 nm. If the power output is 25.0 mW, how many photons does the laser emit per second? (1 W = 1 J/s.)
ANSWER:
Step 1 of 3
Power of the bulb = 25.0 m W = 0.025 W; (because 1 m W = 1000W)
= 0.025 J/s