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JEE Advanced 2019 Paper 2

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Question : 24

Total: 54

The ground state energy of hydrogen atom is – 13.6 eV. Consider an electronic state ψ of He+ whose energy, azimuthal quantum number and magnetic quantum number are – 3.4 eV, 2 and 0, respectively. Which of the following statement(s) is (are) true from the state ψ

It is a 4d state
It has 3 radial nodes
It has 2 angular nodes
The nuclear charge experienced by the electron in this state is less than 2e, where e is the magnitude of the electronic charge

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