1.

Assertion (A) : Angular momentum of an electron in an atom is quantized . Reason (R ) : In an atom only those orbits are permitted in which angular momentum of the electron is natural number multiple of h/(2pi).

Answer»

Both A and R are true and R is the CORRECT EXPLANATION of A
Both A and R are true and R is not the correct explanation of A
A is true but R is FALSE
Both AAND R are false

Answer :A


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