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Question

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


A

The energy of electron in second Bohr orbit is -13.6eV

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B

The kinetic energy of electron in the first orbit is 54.46 eV

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C

The kinetic energy of electron in the second orbit is 13.6 eV

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D

The speed of electron in the second orbit is 2.19×106ms1

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