Energy of the Electron & Energy Levels
An electron makes a transition from an excited state to the ground state of a hydrogen like atom. Out of the following statements which one is correct?
(A) K.E, P. E. and T.E. decreases
(B) K.E. increases but P. E. and T.E. decreases
(C) K.E. and T.E. decreases but P.E. increases
(D) K.E. decreases, P.E. increases but T.E. remains the same
Show answer and solution
Answer: (b)
- , , .
- Going to the ground state, decreases: KE increases, PE and TE become more negative (decrease).
- So the answer is (b) B.