GATE CY 2022 CY Q50: Spectroscopy

The CORRECT statement regarding the following three normal modes of vibration of

(I)

(II)

“+” and “−” indicate out-of-plane motion.

(III)

Your answerChoose one option.

(I) and (II) are inferred active while (III) is inferred inactive

(I) is inferred inactive while (II) and (III) are inferred active

(I) and (III) are inferred inactive while (II) is inferred active

None of the modes are inferred active since

has zero dipole moment

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