1.

According to Bohr model, energy of electron in n^(th) orbit is ...... Z = atomic number.

Answer»

`E_(n)prop(n^(2))/(Z^(2))`
`E_(n)prop(Z^(2))/(n^(2))`
`E_(n)prop(n)/(Z)`
`E_(n)prop(Z)/(n)`

Solution :`E_(n)prop(Z^(2))/(n^(2))`
`E_(n)=(mZ^(2)e^(4))/(8in_(0)^(2)h^(2)n^(2)),(me^(4))/(8in_(0)^(2)h^(2))=` CONSTANT


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