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.

admin:

Related Questions

  1. A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
  2. Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance
  3. The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
  4. A transformer having efficiency of 90% is working on 200 V and 3kW power supply
  5. The Bohr model of atoms