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The energy of an electron in the first B...

The energy of an electron in the first Bohr orbit of hydrogen atom is `-2.18times 10^(-18) j` . Its energy in the third Bohr orbit is _____.

A

One third of this value

B

`(1)/(27)` of this value

C

Three times of this value

D

`(1)/(9)`th of this value

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