Physical Science

Turn an incandescent lamp on and off quickly while you are standing near it. You feel it's heat, but you find when you touch the bulb that it is not hot. Explain why you felt the heat from the lamp?

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  1. The infrared heat and light radiation from the bulb goes instantly to your skin, but it takes time for the bulb to warm up because of its heat capacity.

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  2. Thank you drwls, you are a lifsaver!!

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