Physics, asked by pk8272987, 7 months ago

40. In a vibrational-rotational molecular band
(A) rotational transitions DJ = + 1 produce R-branch
(B) rotational transitions DJ = + 1 produce R-branch
(C) rotational transitions DJ = -1 produce R-branch
(D) no branches are observed

Answers

Answered by t347856

0

Answer:

right answer is c. because it's always negative

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