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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 J.s

User Sherida
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1 Answer

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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 SteveCl
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