Instrumentation Techniques for Forensic Science Unit 2 Quiz
15 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which range of wavelengths does sunlight cover?

  • 200-500 nm
  • 380-750 nm (correct)
  • 800-1000 nm
  • 600-900 nm

In which unit is the teaching scheme mentioned?

  • 100 Marks
  • Lecture hours/week
  • 20CH2007
  • Credits 3:0:0:3 (correct)

What is the consulting hours of Dr. R. NANDHAKUMAR?

  • 4:00 - 6:00 P.M (correct)
  • 8:00 - 10:00 P.M
  • 2:00 - 4:00 P.M
  • 6:00 - 7:00 P.M

What is the Division of Dr. R. NANDHAKUMAR?

<p>Physical Sciences (Chemistry) (A)</p> Signup and view all the answers

Which unit of the course covers Ultra violet and visible spectrophotometry?

<p>Unit 2 (D)</p> Signup and view all the answers

What is the course code for the branch II B.Sc. in Forensic Science?

<p>20CH2007 (C)</p> Signup and view all the answers

What happens when a material completely absorbs all the light?

<p>It appears black (B)</p> Signup and view all the answers

What is the wavelength range for UV radiation?

<p>220 - 380 nm (A)</p> Signup and view all the answers

What causes the electrons in a material to jump from a ground state to an excited state in UV-Visible spectroscopy?

<p>Absorption of ultraviolet radiation (C)</p> Signup and view all the answers

What type of instrument is used for making measurements in UV/Visible spectroscopy?

<p>Spectrophotometers (D)</p> Signup and view all the answers

What does it mean when a sample only absorbs light of a single wavelength?

<p>The eye sees complementary colors (C)</p> Signup and view all the answers

What is the color seen by the eye when light with a wavelength range of 380 - 430 nm is absorbed?

<p>Yellow - Green (C)</p> Signup and view all the answers

What type of substances can absorb varying amounts of UV and/or Visible radiation at particular wavelengths?

<p>Liquids or solids (A)</p> Signup and view all the answers

What does spectroscopy interact with to produce distinct spectra?

<p>Light and matter (D)</p> Signup and view all the answers

What is the principle behind UV-Visible spectroscopy?

<p>Absorption of ultraviolet or visible light by chemical compounds (B)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser