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A green laser pen (like those used in lecture classrooms) has a wavelength of 532 nm and delivers 50-mW of green light. Determine the number of photons per second that are emitted. Note: 1 ev = 1.6 E-19 J

A green laser pen (like those used in lecture classrooms) has a wavelength of 532 nm and delivers 50-mW of green light. Determine the number of photons per second that are emitted. Note: 1 ev = 1.6 E-19 J

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4) A green laser pen (like those used in lecture classrooms) has a wavelength of 532 nm and delivers 50-mW of green light. Determine the number of photons per second that are emitted. Note: 1 ev = 1.6 E-19 J
Transcribed Image Text:4) A green laser pen (like those used in lecture classrooms) has a wavelength of 532 nm and delivers 50-mW of green light. Determine the number of photons per second that are emitted. Note: 1 ev = 1.6 E-19 J
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