
Gas Las
Authored by Lisa Thompson
Science
3rd Grade
NGSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary function of a gas laser?
To amplify light by stimulated emission of radiation
To convert electrical energy into mechanical energy
To store chemical energy
To absorb ultraviolet radiation
Tags
NGSS.HS-PS4-3
NGSS.HS-PS4-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following gases is commonly used in a helium-neon laser?
Helium and Neon
Argon and Krypton
Oxygen and Nitrogen
Carbon Dioxide and Methane
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a gas laser, what role does the optical cavity play?
It amplifies the light by reflecting it back and forth
It cools the gas to prevent overheating
It stores the gas for future use
It converts the gas into plasma
Tags
NGSS.HS-PS4-3
NGSS.HS-PS4-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the typical wavelength of light emitted by a helium-neon laser?
632.8 nm
450 nm
1064 nm
1550 nm
Tags
NGSS.HS-PS4-1
NGSS.HS-PS4-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a characteristic of laser light?
Coherent and monochromatic
Incoherent and polychromatic
Diffuse and multicolored
Scattered and white
Tags
NGSS.HS-PS4-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the main advantage of using gas lasers over solid-state lasers?
Higher beam quality and coherence
Lower cost and complexity
Greater energy efficiency
Smaller size and portability
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which gas laser is commonly used in laser printers and barcode scanners?
Helium-Neon laser
Carbon Dioxide laser
Argon laser
Nitrogen laser
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