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Materials and Components - Engineering

Q1:

Assertion (A): The angular momentum of an atom is due to three contributions viz. orbital, electron spin and nuclear spin. Reason (R): The nuclear spin magnetic moment is much more than electron spin magnetic moment.

A Both A and R are true and R is correct explanation of A

B Both A and R are true but R is not correct explanation of A

C A is true but R is false

D A is false but R is true

ANS:C - A is true but R is false

Nuclear spin is of the same order as electron sum.