Question: How many photons does a (5.0 mathrm{~mW}) helium-neon laser ((lambda=633 mathrm{~nm})) emit in 1 second? A. (1.2 times 10^{19}) B. (4.0 times 10^{18}) C. (8.0

How many photons does a \(5.0 \mathrm{~mW}\) helium-neon laser \((\lambda=633 \mathrm{~nm})\) emit in 1 second?

A. \(1.2 \times 10^{19}\)

B. \(4.0 \times 10^{18}\)

C. \(8.0 \times 10^{16}\)

D. \(1.6 \times 10^{16}\)

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