Q. Which of the following is the wavenumber of UV and Visible radiation?

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Q. Velocity of electromagnetic radiation is more in a vacuum than in any medium.

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Q. Beer Lambert’s law gives the relation between which of the following?

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Q. In which of the following ways, absorption is related to transmittance?

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Q. Which of the following is not a limitation of Beer Lambert’s law, which gives the relation between absorption, thickness and concentration?

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Q. Beer’s law states that the intensity of light decreases with respect to ___________

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Q. Lambert’s law states that the intensity of light decreases with respect to __________

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Q. The representation of Beer Lambert’s law is given as A = abc. If ‘b’ represents distance, ‘c’ represents concentration and ‘A’ represents absorption, what does ‘a’ represent?

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Q. Which of the following is not true about Absorption spectroscopy?

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Q. Transmittance is given as T = P/P₀. If P₀ is the power incident on the sample, what does P represent?

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Q. What is the unit of absorbance which can be derived from Beer Lambert’s law?

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Q. What is the unit of molar absorptivity or absorptivity which is used to determine absorbance A in Beer Lambert’s formula?

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Q. Which of the following detectors does not require a battery and is also known as barrier layer cell?

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Q. Which of the following detectors is used to detect light intensities which are very weak?

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Q. How is Tungsten Halogen lamp differs from normal Tungsten filament lamp used in absorption spectroscopy?

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Q. Instead of glass filters, why gelatin filters could not be used for a long period while both are Absorption filters?

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Q. How does continuous wedge filter differ from normal interference filter used in absorption spectroscopy?

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Q. Which of the following could be used as the layer of dielectric in interference filters used in Absorption Spectroscopy?

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Q. How can stability of radiation be achieved in incandescent or discharge source used in Absorption Spectroscopy?

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Q. To tolerate high operating temperatures, which of the following has to be done in incandescent or tungsten filament lamps?

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