Q. In Raman spectroscopy, energy of change comes from

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Q. With help of Raman microscope, spectra can be obtained from single fibers that is of

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Q. Infrared absorption is influenced by all molecules in

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Q. Detailed information about only crystalline regions of fibre is given by

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Q. Bands other than absorption band are characteristics of

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Q. In shorter chain paraffin hydrocarbons, only one component is present in

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Q. Identification of presence of certain groups in a molecule is aided by use of

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Q. Fundamental oscillations occurring at low wavenumbers give

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Q. Variation in absorption against wavelength can be plotted on

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Q. Absorption frequency for example of carbon-hydrogen bond in a terminal group as compared to chain is

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Q. Fundamental oscillations giving strong absorptions can be studied in

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Q. Advantage of infrared absorption is that it is influenced by all the

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Q. Because of influence of surroundings, absorption may occur in

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Q. Absorption bands in infrared spectrum of nylon are characteristics of

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Q. Molecular information cannot be obtained from

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Q. Polarized infrared is also used to find direction in which a particular group points in

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Q. Technique in which material is exposed to vapors of heavy water is applied to

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Q. Raman spectroscopy has become an important tool for studying fibre structure because of the

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Q. Characteristic spectrum helps in determining presence of

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Q. Wavenumber at which absorption normally occurs depends on the

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