An Electron and an Alpha Particle (A Helium-4 Nucleus)each Have

question 89

Multiple Choice

An electron and an alpha particle (a helium-4 nucleus) each have the same non-relativistic speed.Which has the greatest kinetic energy,and which has the shortest de Broglie wavelength?

• A)the alpha particle,the alpha particle
• B)the alpha particle,the electron
• C)the electron,the alpha particle
• D)the electron,the electron

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