A particle which has zero rest mass and non-zero energy and momentum m – McqOptions

MCQOPTIONS

1.	A particle which has zero rest mass and non-zero energy and momentum must travel with a speed [MP PMT 1992; DPMT 2001; Kerala PMT 2004]
A.	Equal to c, the speed of light in vacuum
B.	Greater than c
C.	Less than c
D.	Tending to infinity
Answer» B. Greater than c

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