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Instrumentation Techniques for Forensic Science Unit 2 Quiz

15 Questions

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Instrumentation Techniques for Forensic Science Unit 2 Quiz

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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?

Physical Sciences (Chemistry) Signup and view all the answers

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

Unit 2 Signup and view all the answers

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

20CH2007 Signup and view all the answers

What happens when a material completely absorbs all the light?

It appears black Signup and view all the answers

What is the wavelength range for UV radiation?

220 - 380 nm 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?

Absorption of ultraviolet radiation Signup and view all the answers

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

Spectrophotometers Signup and view all the answers

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

The eye sees complementary colors 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?

Yellow - Green Signup and view all the answers

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

Liquids or solids Signup and view all the answers

What does spectroscopy interact with to produce distinct spectra?

Light and matter Signup and view all the answers

What is the principle behind UV-Visible spectroscopy?

Absorption of ultraviolet or visible light by chemical compounds Signup and view all the answers