Multiple Choice
Helium-neon laser light has a wavelength in air of 632.8 nm.What is the energy of a single photon in the beam? (h = 6.626 x 10-34 J*s and c = 3.00 x 108 m/s) .
A) 3.14 x 10-19 J
B) 5.40 x 10-19 J
C) 7.62 x 10-19 J
D) 1.15 x 10-18 J
Correct Answer:
Verified
Correct Answer:
Verified
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