Laser Quiz
Authored by Dr. M
Physics
Professional Development
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The emission of photons without being aided by any external agency is called
spontaneous emission
stimulated emission
relaxation
de-excitation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The fact that all the photons coming from stimulated emission have the same frequency and phase is called
coherence
monochromatic
transverse
longitudinal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The minimum number of energy levels required to get a working laser is
3
2
1
4
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The unidirectional nature of the laser beam is ensured by which component of Laser?
(a)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which emission process causes the emission of incoherent photons in a laser?
spontaneous emission
stimulated emission
forced emission
de-excitation emission
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary mechanism by which a laser amplifies light?
reflection
stimulated emission
spontaneous emission
absorption
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of laser uses a gas as its gain medium?
solid-state laser
semiconductor laser
gas laser
fiber laser
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