Q. Fundamental oscillations occur at wavenumbers less than

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Q. Frequency of photons shifts electrons from one state to another in

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Q. Presence of substances in a mixture can be identified by observing

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Q. In Raman spectroscopy, greater complication of interaction provides more

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Q. Variation in absorption spectrum with polarization direction can be used to investigate degree of

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Q. At higher wavenumbers and weaker absorptions material that can be studied should be

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Q. Reciprocal of wavelength is

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Q. While plotting variation in absorption and wavelength, point where frequency of electromagnetic waves corresponds to natural frequency of vibration, is called as

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Q. Regions accessible to heavy water are

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Q. With help of infrared absorption, important thing that can be determined is

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Q. Polyethene has a strong double peak at

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Q. Effects of photon energy are manifestated in

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Q. In infrared spectroscopy, radiation absorbed at certain frequencies yield structural information having wavelengths between

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Q. Oscillations of atom vary from maximum to minimum at right angle if infrared radiation is

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Q. By using polarized infrared, orientation can be determined in

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Q. Larger scale molecular information can be obtained from

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Q. When electromagnetic waves interact with matter, they are

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Q. Presence of liquid and solid state is evidence of

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Q. One technique that is useful determining crystalline and non crystalline regions of material is

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Q. In case of short fibers, there's a loss of

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