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CMC Medical CMC-Medical Ludhiana Solved Paper-2007

  • question_answer
    In which one of the following regions of the electromagnetic spectrum will the vibrational motion of molecules give rise to absorption?

    A)  Ultraviolet         

    B)  Microwave

    C)  Infrared                             

    D)  Radio wave

    Correct Answer: B

    Solution :

                    Molecular spectra due to vibraiional motion lies in the microwave region of electro magnetic spectrum. Due to Kirchhoffs law in spectroscopy the same will be absorbed.


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