Q. Electromagnetic radiation can travel through a vacuum.

View solution

Q. Which of the following is false about the wavelengths of electromagnetic radiation?

View solution

Q. Which of the following is the wavelength of microwave radiation?

View solution

Q. How is the wave number of electromagnetic radiation related to wavelength?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution