EBK COLLEGE PHYSICS, VOLUME 1
EBK COLLEGE PHYSICS, VOLUME 1
11th Edition
ISBN: 8220103599986
Author: Vuille
Publisher: Cengage Learning US
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Chapter 27, Problem 1CQ
To determine

Why is it difficult to discern the shapes of the object inside a very hot kiln.

Expert Solution & Answer
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Explanation of Solution

When the object is inside a hot kiln, the object gets heated and thus emit thermal radiation. The kiln is an example of near ideal black body. As the temperature of the object increases, it begins to glow red and then white at high temperatures.

Conclusion:

The glowing of the hot kiln and the hot object emits continuous wavelength from infrared, visible and ultraviolet portions of the spectrum. So, it is difficult to discern the shapes of the object inside a very hot kiln

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