Q.

The following particles move with same kinetic energy. Which of them has maximum momentum?

A. Electron
B. Proton
C. Deutron
D. Alpha Particle
Answer» D. Alpha Particle
Explanation: The formula for kinetic energy in terms of momentum for fundamental particles is basically just a quantized version of the classical formula, KE=(P^2)/2m, where KE is kinetic energy, p is momentum and m is the particle’s mass.
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