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December 20, 2014

Homework Help: college physics

Posted by ice cream on Tuesday, October 4, 2011 at 12:36am.

If you are sitting at home in your room, the walls



1. emit visible light with a peak wavelength close to 0.5 micrometer.

2. emit thermal radiation in the near infrared with a peak wavelength close to 1 micrometer.

3. emit thermal radiation in the mid-infrared with a peak wavelength close to 10 micrometer.

4. emit thermal radiation in the far-infrared with a peak wavelength close to 100 micrometer.

5. emit ultraviolet radiation with a peak wavelength close to 0.3 micrometer.

6. only reflect light and donít emit anything.

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