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Grades 11 and 12 - Physics - Senior High School - Infrared Radiation
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Grades 11 and 12 - Physics - Senior High School - Infrared Radiation
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10 Questions

1. Which are the best emitters of thermal radiation?
2. Why are car radiators often painted matt black?
3. In sunny countries, houses are often painted white. Why?
4. The inside container of a thermos bottle is silvered. Why?
5. Which of the following does not use infrared radiation?
6. Thermal radiation can only travel through which substances?
7. In an electric toaster, what methods of heat transfer cook the bread?
8. Why are car radiators often painted matt black?
9. The inside container of a thermos bottle is silvered. Why?
10. Put the following in order of best to worst reflectors of infrared radiation: Red, dull
White, shiny
Black, dull
Red, shiny

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