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Solution


Q.

The ratio of kinetic energy to the total energy of an electron in a Bohr orbit of the hydrogen atom, is             [2018]
1 1 : 1  
2 1 : −1  
3 2 : −1  
4 1 : −2  

Ans.

(2)

In a Bohr orbit of the hydrogen atom,

Kinetic energy = -(Total energy)

So, Kinetic energy : Total energy = 1 : −1