IR Spectroscopy

Interactive Video
•
Science
•
12th Grade
•
Hard
Jessica Woo
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between energy and wavelength in the electromagnetic spectrum?
They are inversely proportional.
They are the same.
They are unrelated.
They are directly proportional.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In IR spectroscopy, what is often used instead of frequency?
Wave number
Photon count
Amplitude
Wavelength
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of molecular motion involves changing the bond angle?
Asymmetrical stretching
Symmetrical stretching
Rotating
Bending
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the fingerprint region important in IR spectroscopy?
It shows the speed of light in a vacuum.
It identifies the color of a compound.
It is unique to each molecule and helps in identifying compounds.
It measures the temperature of a sample.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does IR spectroscopy help in forensic science?
By measuring the density of a material.
By calculating the speed of sound in a medium.
By identifying unknown substances through spectral matching.
By determining the age of a sample.
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