A particular green laser pointer emits light with a wavelength of 532 nm , and it...

Question

Question

A particular green laser pointer emits light with a wavelength of 532 nm , and it is advertised as having a power of 3 mW .

Part A: What is the energy of a single photon in this laser beam?

Part B: How many photons are emitted by this laser in 1 second?

Answer 1

Answer #1

Power = 3x10 watt СР) - 532 nm = 532x109 m - 7 - 5.32 x 10 d - m. 0 Energy for I shoton = 1x nu (E) = 1x hc (E)= x 6.69x1034

Answer 2

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