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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 Janko
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2 Answers

9 votes
The heat from the light is going onto the lampshade!
User Elma
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6 votes
Light is converted to heat
User Kaarthick Raman
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