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If the angular momentum of an electron i...

If the angular momentum of an electron is `3.16xx10^(-34) kg m^2//s` and the radius and energy of an orbit in which the above electron is present is `0.6xx10^(-10)m` and `2.4xx10^(-18)` respectively then eal-culate the radius and energy of 2nd orbit of that atom.

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(i) quantisation of angular momentum
(ii) calculation of principal quantum number from angular momentum
(iii) calculation of radius Q
(iv) calculation of energy of an electron
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