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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
An electron has the same de Broglie wavelength as the wavelength of a 1.8 eV photon. What is the speed of the electron? (melectron = 9.11 × 10-31 kg,  c = 3.00 × 108 m/s, 1 eV = 1.60 × 10-19 J)
A) 1100 m/s
B) 980 m/s
C) 910 m/s
D) 840 m/s
E) 770 m/s
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College Physics

College Physics


Edition: 1st
Authors:
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HotMathHotMath
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Chery Author
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7 years ago
I needed this so much, thanks
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