In Bohr model of the hydrogen atom, let ...

In Bohr model of the hydrogen atom, let R,v and E represent the radius of the orbit, speed of the electron and the total energy respectively. Which of the following quantities are directly proportional to the quantum number n?

`R//E`

none of these

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The correct Answer is:

`Rpropn^2`,`Vpropn^(-1)`,`EpropZ^2`

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