AN ATOM CONSIST OF THREE ENERGY LEVELS GIVEN BY GROUND STATE WITH ENRGY E0=0 THE FIRST EXITED STATE WITH ENEGY E1=K AND SECOND EXITED STATE WITH ENERGY E2=2K WHERE K>0 THE ATOM IS INTIALLY IN THE GROUND STATE . LIGHT FROM THE LASER WHICH EMITS THE PHOTON WITH ENERGY 1.5K IS SHINED ON THE ATOM . THAN WHAT WILL HAPPEN: PLS EXPLAIN
PLS ANSWER THIS QUESTION
Asked by sudheerkapoor67
10th October 2017,
9:46 AM
Answered by Expert
Answer:
- Energy levels of atom and energy of photons are quantized
- Since the photon from the laser has energy greater than the ground state (E0) energy there will be a transition of an atom from the ground to an excited state.
- Energy of photon from laser is 1.5k so it cannot attain the first excited state (E1) as well as second excited state (E2)
- It will release the extra 0.5k energy as a photon or other form of energy and will attain the first excited state (E1)
- Further, the atom can again return to the ground state (E0) by releasing a photon
Answered by Expert
8th December 2017,
4:48 PM
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