16 Questions
What is the wavelength range of sunlight, which is considered as white light?
380-750 nm
Which unit covers the study of Ultraviolet and Visible Spectroscopy in the course?
Unit 2
What is the professor's consulting hours?
4:00 - 6:00 P.M
Which type of light is considered a composition of a range of colors?
Visible light
What is the teaching scheme for Unit 2, Ultraviolet and Visible Spectroscopy?
3:0:0:3
What is the contact information for Dr. R. NANDHAKUMAR?
+9180984 70837
What determines the color detected by the eye when white light falls on an object?
Both absorption and reflection properties of the material
If a material completely absorbs all light, how does it appear?
Black
What do complementary colors indicate in the context of visible spectroscopy?
Absorption of light in a single wavelength
What is the principle of UV-Visible Spectroscopy based on?
Absorption of both ultraviolet and visible light by chemical compounds
What happens to the electrons in a matter when it absorbs ultraviolet radiation?
They jump to an excited state
What kind of measurements can be made with modern spectrophotometers or spectrometers?
Both qualitative and quantitative measurements
What is the interaction between light and matter that forms the basis of spectroscopy?
Absorption and de-excitation
Which wavelength range does UV radiation fall into?
$220 - 380$ nm
What happens to substances that can absorb energy in both UV and visible regions of the electromagnetic spectrum?
They become colored compounds
What is used to measure vibrational levels and rotational levels in UV-Visible Spectroscopy?
Spectrophotometers
Explore the principles and applications of ultraviolet and visible spectroscopy in the field of forensic science with this quiz. Test your understanding of the instrumentation techniques and their relevance in analyzing forensic evidence.
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