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What Is the Energy of a Photon That Has a Wavelength

Question 21

Multiple Choice

What is the energy of a photon that has a wavelength equal to the de Broglie wavelength of a proton having a speed of 7.1 × What is the energy of a photon that has a wavelength equal to the de Broglie wavelength of a proton having a speed of 7.1 × m/s? (m<sub>proton</sub> = 1.67 × 10<sup>-27</sup> kg,c = 3.00 × 10<sup>8</sup> m/s) A) 220 keV B) 150 keV C) 290 keV D) 360 keV E) 440 keV m/s? (mproton = 1.67 × 10-27 kg,c = 3.00 × 108 m/s)


A) 220 keV
B) 150 keV
C) 290 keV
D) 360 keV
E) 440 keV

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