Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Structure of Atom
The energy of an electron in a hydrogen atom in the ground state is 13.6 eV. Which one of the following represents the energy in the first excited state?
1
−13.6 eV
2
−6.8 eV
3
−3.4 eV
4
More than one of the above
5
None of the above