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

a)

Ultraviolet

b)

Microwaves

c)

Infrared

d)

Radio waves


Question ID - 150066 | SaraNextGen 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)

Microwaves

c)

Infrared

d)

Radio waves

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

Molecular spectra due to vibrational motion lie in the microwave region of EM-spectrum. Due to Kirchhoff’s law in spectroscopy the same will be absorbed



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