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True. Infrared lamps are commonly used in restaurants to keep food warm on serving counters or buffet lines. The heat generated by the lamps helps to maintain the temperature of the food, preventing it from cooling down too quickly.
Infrared radiation.
The infrared heat is transferred to the food by radiation.
Infrared bulbs are implemented in hot lamps used to heat food.
Its radiation
Infrared light is even used to heat food sometimes - special lamps that emit thermal infrared waves are often used in fast food restaurants! Shorter, near infrared waves are not hot at all - in fact you cannot even feel them. These shorter wavelengths are the onesused by your TV's remote control.
Infrared light is even used to heat food sometimes - special lamps that emit thermal infrared waves are often used in fast food restaurants! Shorter, near infrared waves are not hot at all - in fact you cannot even feel them. These shorter wavelengths are the onesused by your TV's remote control.
Microwave ovens employ microwave radiation, which is lower in frequency than infrared radiation, to generate the heat in the food they cook. They don't use infrared radiation per se.
plasmas
The electromagnetic spectrum
In one way or another, Infrared cannot be controlled, I say this because if you expose something to Infrared for too long, that thing could burn. Therefore Infrared is too intense, to defrost food (a delicate thing). This is most probably why Infrared would not be good for defrosting food.
a restaurant that gives food quickly.