Navigate

The ionisation energy of an electron in the ground state of helium atom is 24.6 eV.

The ionisation energy of an electron in the ground state of helium atom is 24.6 eV. The energy required to remove both the electron is

Options

(a) 51.8 eV
(b) 79 eV
(c) 38.2 eV
(d) 49.2 eV

Correct Answer:

79 eV

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

KA2013
admin:

Related Questions

  1. If the cold junction of a thermo-couple is kept at 0⁰C and the hot junction is kept
  2. The threshold wavelength for photoelectric emission from a material is 4800 Å.
  3. The drift speed of electrons in copper wire of diameter and length l is v.
  4. The given graph represents V-I characteristic for a semiconductor device
  5. A piece of iron is heated in a flame. It first comes dull red then becomes reddish