1.

(A): Emssion spectrum produced due to the transition of an electron from M shell to L shell (R) : The ratio of energy and frequency of a photon is 6.625xx10^(-27) "erg-sec"

Answer»

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

Answer :C


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