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A free neutron decays into a proton but a free proton does not decay into neutron. This is because

Q1

A free neutron decays into a proton but a free proton does not decay into neutron. This is because

a

neutron is an uncharged particle

b

proton is a charged particle

c

neutron is a composite particle made of a proton and an electron

d

neutron has larger rest mass than proton

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