Test 1
Authored by deva raj
Physics
University
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In graded index fiber total reflected light takes a-------
Straight path
Parabolic path
Elliptical path
Circular path
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Optic fiber works on the phenomenon of
total internal reflection
polarization
diffraction
refraction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Optic fibers are used in .........
CAT scans
X ray photos
Ultrasound scan
Endoscopy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not the property of LASER light?
Coherence
Chromaticity
High intensity
Directionality
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the region enclosed by the optical cavity called?
Optical region
Optical system
Optical box
Optical resonator
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Life time of metastable state in a Ruby laser is......
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pumping mechanism used in Ruby laser is.........
optical pumping
Electrical pumping
Chemical pumping
Thermal pumping
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