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(a) Calculate the frequency of a light wave with a wavelength of 9 × 10-8 m. The speed of light is 3.0 x 108 m/sec. (b) what is energy of a photon of this frequency?(calculated in part a) h= 6.626 x 10-34
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30 votes
30 votes
(a) Calculate the frequency of a light wave with a wavelength of 9 ×

10-8 m. The speed of light is 3.0 x 108 m/sec. (b) what is energy of a
photon of this frequency?(calculated in part a) h= 6.626 x 10-34 J.s

User Stefan Walther
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23 votes
23 votes
c=f （lumbda）
3x10^8=f （9x10^-8）
then just do simple calculations

(b) E=hf, where h is given and we got f from (a)
User Budamivardi
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