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Physics
The condition under which a microwave oven heats up a food item containing water molecules most efficiently is :
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Q. The condition under which a microwave oven heats up a food item containing water molecules most efficiently is :
NEET
NEET 2013
Electromagnetic Waves
A
Infra-red waves produce heating in a microwave oven
17%
B
The frequency of the microwaves must match the resonant frequency of the water molecules
46%
C
The frequency of the microwaves has no relation with natural frequency of water molecules
17%
D
Microwaves are heat waves, so always produce heating
19%
Solution:
It is electromagnetic wave, therefore the correct choice is