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UPSC CAPF Assistant Commandant 2021 Paper
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© examsnet.com
Question : 3
Total: 125
Which electromagnetic radiation(s) is/are used to cook food?
Infrared radiation only
Microwave radiation only
Infrared and microwave radiations
All electromagnetic radiations
Validate
Solution:
Microwave radiations are used to cook food. Microwave oven is a domestic application of these waves. Reflection and polarisation are also occur in microwaves.
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