The Nature of Light: Infrared Radiation

The Nature of Light: Infrared Radiation

Assessment

Interactive Video

Science, Physics

10th - 12th Grade

Hard

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The video tutorial explains the differences in ocean temperatures using color indicators, with red showing the warmest areas and blue the coolest. It discusses the use of infrared rays in remote control devices, highlighting their longer wavelength compared to visible light. The tutorial also covers how infrared radiation produces heat by causing molecular vibrations, and notes that nearly half of the sun's rays are infrared. Special infrared cameras can capture radiation emitted by objects, helping to identify areas of heat loss in buildings, which is useful for carpenters and electricians to determine insulation needs.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What role do infrared rays play in remote control devices?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the relationship between infrared radiation and the sun's rays.

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