Microwaves

2013 NEET 1 question

1. 1 Electromagnetic Waves Easy
   The condition under which a microwave oven heats up a food item containing water molecules most efficiently is:
   A Infra-red waves produce heating in a microwave oven B The frequency of the microwaves must match the resonant frequency of the water molecules C The frequency of the microwaves has no relation with natural frequency of water molecules D Microwaves are heat waves, so always produce heating
   Check Answer