Question

The energy of electron in first excited state of H-atom is $- \mspace{6mu} 3.4\mspace{6mu} eV$ its kinetic energy is.

• A. – 3.4 eV
• B.
  • 3.4 eV
• C. – 6.8 eV
• D. 6.8 eV

Answer 1

Answer: (B)

• 3.4 eV

Answer 2

Kinetic energy = |Total energy|