Thursday, 15 January 2015

atomic physics - Quantum jump of an electron


I read about the quantum jump of electrons and in my books it is written that when an electron is hit by a sufficient amount of energy or EM wave, it jumps to the next orbit and then it cannot stay in that orbit and jumps back it the orbit to minimize its potential energy.


But why can the electron not stay or be stable on the next orbit, just like other electrons in that orbit?


And if it jumps back only due to minimize its potential energy, why didn't it jump back to previous orbit when it is not being hit by a EM wave? Then all electrons may jump back to previous orbits, again and again until they collide with nucleus, the atom would not even exist at all.




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