What is the energy difference between the second excited state and first excited state of an electron in the "box" of size l=1nm? a) 1.9 ev b) 1.1 ev c) 0.6 ev d) 0.3 ev e) 0.2 ev

the correct choice is a .

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energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this