LASER

LASER

University

10 Qs

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LASER

LASER

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

Ashish Joy

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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Acronym for LASER is

Light Absorption by Stimulated Emission of Radiation

Light Amplification by Stimulated Emission of Radiation

Light Alteration by Stimulated Emission of Radiation

Light Attenuation by Stimulated Emission of Radiation

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following statements are true?

  1. LASER is used as optical source in single mode fibers.
  2. LASER lights are highly incoherent.

1. is true and 2. is false

1. is false and 2. is true

Both 1 & 2 are true

Both 1 & 2 are false

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Naturally occuring process in a LASER is

Stimulated Emission

Absorption

Spontaneous Emission

Population Inversion

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The process in which the electrons in the ground state are vibrated to the excited states by providing extra energy from energy sources is called as

Population Inversion

Spontaneous emission

Stimulated emission

Pumping

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The coherent nature of light from LASER is due to

Spontaneous emission

Stimulated Emission

Absorption

Pumping

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Light amplification in LASER is achieved by

Population inversion

Stimulated emission

Spontaneous emission

Pumping

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Minimum number of energy states required to achieve population inversion is

1

2

3

4

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