Question: Warm objects emit electromagnetic radiation in the infrared region. Heat lamps employ this principle to generate infrared radiation. Water absorbs infrared radiation with wavelengths near

Warm objects emit electromagnetic radiation in the infrared region. Heat lamps employ this principle to generate infrared radiation. Water absorbs infrared radiation with wavelengths near 2.80 µm. Suppose this radiation is absorbed by the water and converted to heat. A 1.00 L sample of water absorbs infrared radiation, and its temperature increases from 20.0oC to 30.0oC. How many photons of this radiation are used to heat the water?

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