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A Proton Has a Speed of 7

Question 30

Multiple Choice

A proton has a speed of 7.2 x A proton has a speed of 7.2 x M/s.What is the energy of a photon that has the same wavelength as the de Broglie wavelength of this proton? (m<sub>electron</sub> = 9.11 × 10<sup>-31</sup> kg,c = 3.00 × 10<sup>8</sup> m/s,h = 6.626 × 10<sup>-3</sup><sup>4</sup> J ∙ s) A) 230 keV B) 150 keV C) 300 keV D) 370 keV E) 440 keV
M/s.What is the energy of a photon that has the same wavelength as the de Broglie wavelength of this proton? (melectron = 9.11 × 10-31 kg,c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s)


A) 230 keV
B) 150 keV
C) 300 keV
D) 370 keV
E) 440 keV

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