cse โข paper_1 โข mechanics
[UPSC CSE 1995] Special Theory of Relativity (Q405, 20M)
Determine the speed of an electron which has kinetic energy 1\text{ MeV}. The energy equivalent to the rest mass of an electron is 0.51\text{ MeV}.
Determine the speed of an electron which has kinetic energy 1\text{ MeV}. The energy equivalent to the rest mass of an electron is 0.51\text{ MeV}.
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