Light of wavelength 6.5 x 10^-7 m has an energy of: (h = 6.63 x 10^-34J*s,c = 3.00 x 10⁸ m/s) A)3.1 x 10^-19 J B)3.3 x 10^-19 J C)1.5 x 10^-19 J D)1.7 x 10^-19 J

Name: Light of wavelength 6.5 x 10 -7 m has an energy of: (h = 6.63 x 10 -34 J*s,c = 3.00 x 10 8 m/s) A)3.1 x 10 -19 J B)3.3 x 10 -19 J C)1.5 x 10 -19 J D)1.7 x 10 -19 J
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Quizplus · Accepted Answer

The energy of a photon is given by E = hc/λ. Substituting the given values, E = (6.63 x 10^-34 J·s)(3.00 x 10^8 m/s) / (6.5 x 10^-7 m) = 3.1 x 10^-19 J.

Light of Wavelength 6