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A Helium-Neon Laser Emits Light with a Wavelength of 6328

Question 65

Multiple Choice

A helium-neon laser emits light with a wavelength of 6328 Å. What is the energy of a 6328 Å photon in joules?

A) 2.179 x 10^-19 J
B) 3.139 x 10^-19 J
C) 5.448 x 10^-19 J
D) 6.328 x 10^-19 J
E) 2.179 x 10^-18 J

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