1.

In any Bohr orbit of the hydrogen atom, the ratio of kinetic energy to potential energy of the electron is ......

Answer»

`(1)/(2)`
2
`(-1)/(2)`
`-2`

Solution :Kinetic energy for H atom `K=(e^(2))/(2R)`
Potential energy `U=(-e^(2))/(r )`
`:.(K)/(U)=(e^(2)//2r)/(-e^(2)//r)=(-1)/(2)`


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