1.

In a hydrogen like ion, nucleus has a positive charge Ze Bohr.s quantization rule is, the angular momentum of an electron about the nucleus l = (nh)/(2pi), where n is a positive integer If electron goes from ground state to 1^(st) excited state then change in energy of the hydrogen like ion is

Answer»

`(3)/(32) = (m_(e)x^(2)e^(4))/(in_(0)^(2)h^(2))`
`(1)/(32) = (m_(e)ze^(4))/(in_(0)^(2)h^(2))`
`(3)/(32) = (m_(e)ze^(2))/(in_(0)^(2)h^(2))`
`(1)/(32) = (m_(e)ze^(2))/(in_(0)^(2)h^(2))`

ANSWER :A


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