The frequency of the characterstic X ray of K_(alpha) line of metal target 'M' is 2500 cm^(-1) and the graph between sqrt(v) Vs 'z' is as follows, then atomic number of M is

The frequency of the characterstic X ray of K_(alpha) line of metal ta

1.	The frequency of the characterstic X ray of K_(alpha) line of metal target 'M' is 2500 cm^(-1) and the graph between sqrt(v) Vs 'z' is as follows, then atomic number of M is
Answer» 49 50 51 25 Answer :C