Physics
Grade-6
Easy
Question
In a microwave oven, food is heated through the process of ______
- Conduction
- Radiation
- Convection
- None
Hint:
Microwave uses electromagnetic radiation to heat food.
The correct answer is: Radiation
- Microwaves are the electromagnetic radiation.
- When heated the atoms and molecules of water in the food starts vibrating.
- This results in increased friction between the molecules which results in heat.
- This heat generated inside the oven is used in cooking and heating the food.
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