Podcast
Questions and Answers
Which region of the electromagnetic spectrum is felt as heat and used in the design of radiant heating, solar panels, and collectors?
Which region of the electromagnetic spectrum is felt as heat and used in the design of radiant heating, solar panels, and collectors?
- Visible light
- Infrared light (correct)
- Microwave
- Ultraviolet light
What is the importance of solar radiation for the energy balance of the earth?
What is the importance of solar radiation for the energy balance of the earth?
- It is used for molecular identification
- It helps maintain the energy balance of the earth (correct)
- It is used in light-based technologies
- It is used in the design of glazing materials
Which region of the electromagnetic spectrum spans from about 250 nm in the UV to 2,500 nm in the near-infrared region?
Which region of the electromagnetic spectrum spans from about 250 nm in the UV to 2,500 nm in the near-infrared region?
- Ultraviolet light
- Microwave
- Infrared light
- Visible light (correct)
What can frequencies in the infrared region be used for?
What can frequencies in the infrared region be used for?
What frequencies in the microwave region are close to?
What frequencies in the microwave region are close to?
Flashcards
Infrared region use
Infrared region use
Infrared light is felt as heat and used in radiant heating, solar panels, and collectors.
Solar radiation & Earth's energy
Solar radiation & Earth's energy
Solar radiation helps maintain Earth's energy balance.
Visible light range
Visible light range
Visible light spans from about 250 nm (UV) to 2,500 nm (near-infrared).
Infrared frequency use
Infrared frequency use
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Microwave frequencies
Microwave frequencies
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