Laser – Exercise – 1

1. Laser is short form of :

(a) Light absorption stimulated emission radiation
(b) Light absorption by stimulated emission of radiation
(c) Light amplification stimulated emission radiation
(d) Light amplification by stimulated emission of radiation

Answer
Answer : (d)
Explanation
No answer description available for this question. Let us discuss.

2. The basic principle of the LASER is :

(a) Stimulated absorption
(b) Stimulated emission
(c) Spontaneous absorption
(d) Spontaneous emission

Answer
Answer : (b)
Explanation
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3. In the following given which is not property of the laser :

(a) Intensity
(b) Directional
(c) Coherence
(d) Non-coherent

Answer
Answer : (d)
Explanation
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4. Light emitted by ordinary source of light is :

(a) Coherent
(b) Non-coherent
(c) Monochromatic
(d) None of these

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

5. The stimulated emission is dominant over stimulated absorption by the process is called _______ .

(a) Nuclear Energy
(b) Optical Pumping
(c) Population Inversion
(d) None of these

Answer
Answer : (c)
Explanation
No answer description available for this question. Let us discuss.
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