Amplify Light Waves

What is a type of wave that carries energy from one place to another?

• force

• motion

• light

• energy

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___________ is a type of wave that carries energy from one place to another, even through empty space.

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What is the primary function of a laser in amplifying light waves?

• To increase the frequency of light

• To focus light into a narrow beam

• To amplify the intensity of light

• To change the color of light

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Which component in a laser is responsible for amplifying light waves?

• The optical cavity

• The gain medium

• The power supply

• The cooling system

In the context of light amplification, what does the term 'stimulated emission' refer to?

• The absorption of photons by atoms

• The emission of photons by excited atoms

• The reflection of light waves

• The refraction of light waves

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Which of the following is a real-world application of amplifying light waves using lasers?

• Solar panels

• Fiber optic communication

• Wind turbines

• Hydroelectric power

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What is the role of the optical cavity in a laser?

• To absorb excess light

• To amplify light waves

• To store electrical energy

• To cool the laser

How does a laser differ from a regular light bulb in terms of light wave amplification?

• A laser emits light in multiple directions

• A laser emits incoherent light

• A laser emits light of a single wavelength

• A laser emits light with varying intensity

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NGSS.HS-PS4-3

Which scientific principle is primarily utilized in the amplification of light waves in lasers?

• Newton's laws of motion

• Einstein's theory of relativity

• Planck's quantum theory

• Bohr's model of the atom

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What type of light wave is typically amplified in a laser?

• Ultraviolet light

• Infrared light

• Visible light

• All of the above

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