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37 votes
A lamp has been on for several hours, and its lampshade begins to feel warm. What causes this to happen?

A lamp has been on for several hours, and its lampshade begins to feel warm. What-example-1
User Fia
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2 Answers

21 votes
21 votes
The heat from the light is going onto the lampshade!
User Jakub Marchwicki
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5 votes
5 votes
Light is converted to heat
User Madstap
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