A) Neutron has the highest mass among the fundamental particles.
B) The mass of an electron is negligible.
C) The value of e/m is the highest for a proton.
D) Charge of a neutron is zero.
Correct Answer: C
Solution :
Mass of a proton is \[1.0073\,\,a.m.u\].The magnitude of charge for an electron and proton are the same. But as proton is heavier than electron, its e/m is less than electron. The e/m of electron is maximum of all the fundamental particles as its mass is minimum.
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