"If the frequency of `k_(alpha)` x-ray emitted from the element with atomic number 31 is f,
Channel: Doubtnut
Date: 2020-01-26

"If the frequency of `k_(alpha)` x-ray emitted from the element with atomic number 31 is f, if the frequency of `k_(alpha)` x-ray
emitted from the element with atomic number 51 , is given by `25/x f` then x is (assume that screening constant for `K_(alpha)` is 1)"