Question
Physics Question on Types of Waves
The condition under which a microwave oven heats up a food item containing water molecules most efficiently is
A
The frequency of the microwaves mnt match the resonant frequency of the water molecules
B
The frequency of the microwaves has no relation with natural frequency of water molecules
C
Microscaves are heat waves, so always produce heating
D
Infra-red waves produce heating in a microwave oven
Answer
The frequency of the microwaves mnt match the resonant frequency of the water molecules
Explanation
Solution
The correct option is (A): The frequency of the microwaves mnt match the resonant frequency of the water molecules