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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
A small gas laser of the type used in classrooms may radiate light at a power level of 2.0 mW. If the wavelength of the laser light is 642 nm, how many photons does it emit per second? (c = 3.0 × 108 m/s, h = 6.626 × 10-34 J ∙ s)
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College Physics

College Physics


Edition: 1st
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HotMathHotMath
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7 years ago
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Chery Author
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7 years ago
You're right again!

Appreciate it
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