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In hydrogen atom radius of the first orb...

In hydrogen atom radius of the first orbit is `0.53 Å`. Minimum work required to free the electron, given its K.E in the orbit is half the magnitude of P.E in the orbit.

A

13.6eV

B

27.2eV

C

6.8eV

D

8.6eV

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The correct Answer is:
A
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