The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 x 1014 Hz. What is the energy associated with this frequency?

Question

Madilynn Bentley

Chemistry

4 April, 12:37

The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 x 1014 Hz. What is the energy associated with this frequency?

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Answers (1)

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Banjo · Answer 1

A) c = 3 x 10^8 m/s

f = 7.15 x 10^14 Hz

c = λ x f (=) λ = 3 x 10^8 / 7.15 x 10^14 = 4.19 x 10^-7 m = 419.6 nm

B) E = h f

H = Planck's constant = 6.63 x 10^-34 J/s

E = 6.63 x 10^-34 x 7.15 x 10^14 = 4.74 x 10^-19 J