Gas Las

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

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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

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

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NGSS.HS-PS4-1

NGSS.HS-PS4-3

What is the typical wavelength of light emitted by a helium-neon laser?

• 632.8 nm

• 450 nm

• 1064 nm

• 1550 nm

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NGSS.HS-PS4-1

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Which of the following is a characteristic of laser light?

• Coherent and monochromatic

• Incoherent and polychromatic

• Diffuse and multicolored

• Scattered and white

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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

Which gas laser is commonly used in laser printers and barcode scanners?

• Helium-Neon laser

• Carbon Dioxide laser

• Argon laser

• Nitrogen laser

What is the principle behind the operation of a gas laser?

• Stimulated emission of radiation

• Thermal expansion and contraction

• Chemical reaction

• Magnetic resonance

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NGSS.HS-PS4-3

In a carbon dioxide laser, which gas acts as the primary lasing medium?

• Carbon Dioxide

• Helium

• Nitrogen

• Oxygen

What is the role of the gas mixture in a gas laser?

• To provide the medium for light amplification

• To cool the laser system

• To generate electrical energy

• To absorb excess light

Tags

NGSS.HS-PS4-3