Which statement correctly compares what occurs when molecules absorb photons in the microwave region with what occurs when molecules absorb photons in the infrared region?

a.) Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause the molecules to increase their vibrational energy states.
b.) Microwave photons cause electrons in the molecules to increase their electronic energy states, whereas infrared photons cause the molecules to increase their rotational energy states.
c.) Microwave photons cause the molecules to increase their vibrational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states.
d.) Microwave photons cause the molecules to increase their rotational energy states, whereas infrared photons cause electrons in the molecules to increase their electronic energy states.

Microwave photons induce molecules that can increase their rotating activity levels, although thermal imaging photons lead molecules just to enhance their higher vibrational domains.

Photons throughout the microwave frequency range are being used in spectroscopy that can cause transformation seen across the quantum rotational excited state of a chemical species.
Whenever the monomer receives a photon throughout the microwave range, its rotating energy condition increases, but then when its beam of light passes throughout the infrared area, the latter's vibrational phases expand.

Thus the above response i.e., option a) is the correct approach.

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