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Energy of 24. eV is required to remove ...

Energy of 24. eV is required to remove one of the electron from a neutral helium atom. The energy ( in e V ) reauired to remove both the electorns from a netural helium aotm is

A

38.2

B

49.2

C

51.8

D

78.6

Text Solution

Verified by Experts

The correct Answer is:
D
After reamining one electron from helium atom it will become hydrogen like atom
`:. E=24+(13.6) (2)^(2) =78.6 eV`
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