JEE Advanced Model Paper 1 with solutions for online practice

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Question : 30 of 60

Marks: +1, -0

The energy of an electron in the first Bohr orbit of H-atom -13.6 eV, then whichof the following statement(s) is/are correct for He+ ?

The energy of electron in second Bohr orbit is -13.6 eV
The K.E of electron in the first orbit is 54.4 ev
The K.E of electron in secondary orbit is 13.6 ev
The speed of electron in the second orbit is 2.19 x 106 m/sec

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