What is the primary principle underlying the operation of a laser?

LASER

Quiz
•
Physics
•
University
•
Medium
Rajaboopathi M
Used 1+ times
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5 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
A) Reflection of light
B) Population inversion
C) Diffusion of light
D) Absorption of energy
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What does LASER stand for?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the role of population inversion in laser operation?
A) It allows for efficient energy absorption by the medium
B) It ensures that more atoms are in the excited state than in the ground state
C) It prevents the emission of light from atoms
D) It stabilizes the laser output frequency
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements accurately describes a three-level laser system?
A) It requires two energy levels for operation
B) It uses one excited state and two ground states
C) It provides a more efficient method of achieving population inversion
D) It operates without any external energy input
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the essential components in LASER
A) Active Medium
B) Resonator
C) Pumping
D) All the above
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