Amplify Light Waves

Based on this information, which type of light might cause the glass to melt?

• The infrared light can cause the glass to melt.

• The yellow light can cause the glass to melt.

• The X-ray light can cause the glass to melt.The X-ray light can cause the glass to melt.

• Any of these types of light can cause the glass to melt, because all light carries energy that can cause materials to change.

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

• To increase the frequency of light

• To increase the amplitude of light

• To increase the coherence of light

• To increase the speed of light

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

• The optical cavity

• The gain medium

• The power supply

• The cooling system

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In the context of light amplification, what does the term 'population inversion' refer to?

• More electrons in the ground state than in the excited state

• Equal number of electrons in the ground and excited states

• More electrons in the excited state than in the ground state

• No electrons in the excited state

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Which of the following is a common application of amplified light waves?

• Radio broadcasting

• Medical imaging

• Laser cutting

• Ultrasound scanning

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

• To focus the light

• To amplify the light

• To cool the laser

• To provide energy to the laser

Which of the following materials can be used as a gain medium in a laser?

• Glass

• Water

• Ruby

• Plastic

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NGSS.HS-PS4-1

What is the principle behind the amplification of light waves in a laser?

• Stimulated emission

• Spontaneous emission

• Absorption

• Reflection

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

• Laser emits incoherent light, while a bulb emits coherent light

• Laser emits coherent light, while a bulb emits incoherent light

• Both emit coherent light

• Both emit incoherent light

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What is the significance of coherence in amplified light waves?

• It increases the speed of light

• It allows light to travel longer distances

• It enables light to be focused to a small point

• It changes the color of light

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