Question

Electronic transitions are called vertical transitions. Comment. 

21 Jan 2026
Answer :
Word Count : 150
In spectroscopy, electronic transitions are termed vertical transitions because they occur on a timescale much faster than nuclear motion. According to the Franck–Condon principle, when an electron absorbs a photon _______ _____ ________ _________ ______ _______.
____ _________ _____ ____ __________.
___ _________ ________ _______ ___.
_________ ______ ______ ________ ____ _______.
________ ________ _________ _______ _____ _________.
____ _____ _______ ________ ______ _________ _____ _________ ____ ________ _________ _____.
_______ ________ ________ _______ _____.
_________ ________ _______ ____ ___ __________ _________ _________ ____ _____ __________.
_______ ____ ______ ___ ____ ____ ____ ___ ____ _________.
____ ________ ______ _________ _____ _______.
_____ _________ ________ ____ _________ __________ _______ ____.
________ ________ _____ ____ _______ ____ ____ ____ ___.
___ ____ ___ _____ __________ __________.
____ ____ _______ _______ _________ _____ _______ _____ _________ __________.
_______ ___ ________ ___ ________ _______ __________ ___ ________ _________ ______.
_____ ___ __________ __________.
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