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When your food in placed under a warming light in a fast food restaurant, which type of electromagnetic waves are most likely used to keep your food warm?
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1 vote
When your food in placed under a warming light in a fast food restaurant, which type of electromagnetic waves are most likely used to keep your food warm?

User Nick Alger
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2 Answers

7 votes
Heat waves will keep your food warm
User Aneer Geek
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7.8k points
6 votes
The food needs heat shining on it to keep it warm.

Heat electromagnetic rays are called "infra-red radiation".
User Emin Ayar
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6.7k points
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