Rest mass energy of an electron is 0.51 MeV. If this electron is moving with a velocity 0.8 c (where c is velocity of light in vacuum), then kinetic energy of the electron should be.

If assertion is true but reason is false.

Rest mass energy of an electron is 0.51 MeV. If this electron is movin

1.	Rest mass energy of an electron is 0.51 MeV. If this electron is moving with a velocity 0.8 c (where c is velocity of light in vacuum), then kinetic energy of the electron should be.
A.	0.28 MeV
B.	0.34 MeV
C.	If assertion is true but reason is false.
D.	0.46 MeV
Answer» C. If assertion is true but reason is false.

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Rest mass energy of an electron is 0.51 MeV. If this electron is moving with a velocity 0.8 c (where c is velocity of light in vacuum), then kinetic energy of the electron should be.

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