11. The helix content of a protein can be determined using A. An infrared spectrometer B. A fluorescence spectrometer C. A circular dichroism spectrometer D. A UV-Visible spectrophotometer Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
12. How can the intensity of radiation be increased in Hollow cathode lamp? A. Addition of non-conductive protective shield of mica B. Addition of nitrogen to neon or argon in the lamp C. Increasing the pressure of the filling gas D. Changing the metal of the anode Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
13. Tertiary structure of a protein consisting of α-helices and β-strands can be determined by A. Circular dichroism spectroscopy B. Mass spectrometry C. Nuclear magnetic resonance spectroscopy D. UV spectroscopy Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
14. Which of the following is the advantage of grating monochromators? A. Dispersion is non-overlapping B. Dispersion occurs in non-linear manner C. Dispersion is overlapping D. Dispersion occurs in a linear manner Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
15. In Atomic Absorption Spectroscopy, which of the following is the generally used radiation source? A. Tungsten lamp B. Xenon mercury arc lamp C. Hydrogen or deuterium discharge lamp D. Hollow cathode lamp Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
16. Which of the following is not a technique for preparing solid samples in IR spectroscopy? A. Solids run in solution B. Mull technique C. Solid films D. Thin films Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
17. Which of the following options are correct in terms of wavelength for the different types of IR spectrometer? A. Near IR: 0.8 - 2.5 mm B. Mid IR: 0.8 - 2.5 mm C. Far IR: 2.5 - 50 mm D. Mid IR: 50 - 100 mm Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
18. Which of the following is the principle of Atomic Absorption Spectroscopy? A. Radiation is absorbed by non-excited atoms in vapour state and are excited to higher states B. Medium absorbs radiation and transmitted radiation is measured C. Colour is measured D. Colour is simply observed Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
19. In the most widely used beam splitter, a thin film of . . . . . . . . is sandwiched between two plates of low refractive index solid. Fill the blank with a suitable option. A. Mylar B. Silicon carbid C. Ferrous oxide D. Silver chloride Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
20. Laminar flow burner used in Flame photometers is also known as . . . . . . . . A. Turbulent burner B. Premix burner C. Total consumption burner D. Nozzle mix burner Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
