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Calculate the kinetic energy of an electron with a wavelength of3.0 pm and then calculate the kinetic energy of a photon of the same wavelength.
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Calculate the kinetic energy of an electron with a wavelength of3.0 pm and then calculate the kinetic energy of a photon of the same wavelength.

User Andrew Winterbotham
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1 Answer

2 votes

Answer:


E = 6.63*10^(-11) J

Step-by-step explanation:

We know that energy of a photon

E =hυ = hc/λ

h = planks constant, = 6.63×10^{-34} J s

υ= frequency of the wave, c= speed of light, = 3×10^8 m/s

λ = wavelength = 3×10^{-15} m


E = [6.63*10^(-34)*3*10^8]/3* 10^(-15)


E = 6.63*10^(-11) J

User Ozgur Ozturk
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