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Energy of a photon of 5890 Å wavelength is: a) 3 x 10-19 J b. 3.6 x 10-24 J c. 3.347 x 10-19 J d. 3.364 x 10-19 J

Energy of a photon of 5890 Å wavelength is:

a) 3 x 10-19 J b. 3.6 x 10-24 J c. 3.347 x 10-19 J d. 3.364 x 10-19 J

Grade:12th pass

1 Answers

Saurabh Koranglekar
askIITians Faculty 10336 Points
3 years ago
Dear student

E = hc/(lambda)

h= 6.63 x 10^(-34) %% all in std units
c= 3x10^(8)
lambda = 5890x10^(-10)

E =​3.364 x 10-19J

answer D

Regards

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