How does the rule of Mutual Exclusion help in predicting the symmetry in case of and
molecules?
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5G services in India are provided at a frequency of . Calculate the wavelength of the radiation.
What is the requirement of the vibrational mode of a molecule to be Raman active?
What is meant by a selection rule? Give the selection rule for a rotating diatomic molecule modelled as a rigid rotator.
The frequencies of the first and second overtones respectively are exactly double and triple of the fundamental vibration frequency. Comment.
A light source of wavelength illuminates a metal surface and electron are ejected with the maximum kinetic energy 2 eV. If the same surface is illuminated by a light source of wavelength
, then calculate the maximum kinetic energy of the ejected electron. (Work function of metal is 1 eV)
Explain why the atomic spectra are line spectra whereas the molecular spectra are band spectra.
What makes TMS a molecule of choice to act as a reference in the NMR spectrometry?