Teaching HTET PGT Level 3 - 2024 Mock Test Physics Dual Nature: Photon and Matter Waves The Hydrogen Atom
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
1
51.8 eV
2
79 eV
3
38.2 eV
4
49.2 eV