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Working Principles of Lasers

Authored by Mike Paquette

Physics

12th Grade

Used 2+ times

Working Principles of Lasers
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35 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term LASER stand for?

Light Amplification by Stimulated Emission of Radiation

Laser Amplification by Stimulated Emission of Radiation

Light Amplification by Spontaneous Emission of Radiation

Laser Amplification by Spontaneous Emission of Radiation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes a laser monochromatic?

The photons emitted have different wavelengths

The photons emitted have the same wavelength

The laser beam is focused

The laser beam is collimated

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the waves in a laser beam being in phase with each other?

Monochromatic

Coherent

Collimated

Amplified

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe a laser beam that is focused?

Monochromatic

Coherent

Collimated

Amplified

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called when a photon is absorbed by an electron and the electron jumps to a higher energy level?

Spontaneous Emission

Stimulated Emission

Population Inversion

Excitation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the process of an electron releasing a photon with the same energy as the absorbed photon?

Spontaneous Emission

Stimulated Emission

Population Inversion

Excitation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used to describe the condition where there are more electrons in the excited state than in the ground state?

Monochromatic

Coherent

Collimated

Population Inversion

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