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Which among the following is an application of microwaves?

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in Physics – Class 12 by (135k points)
Which among the following is an application of microwaves?

(a) Solar cells

(b) Ovens

(c) Radiotherapy

(d) Burglar alarms

This question was posed to me in exam.

I would like to ask this question from Electromagnetic Spectrum topic in chapter Electromagnetic Waves of Physics – Class 12

1 Answer

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Best answer
Correct choice is (b) Ovens

Best explanation: Microwave ovens are an application of microwaves. In microwave ovens, the frequency of microwave produced is matched with the natural frequency of water molecules so that resonance occurs and water molecules in the material vibrate at the higher amplitude and transfer energy to nearby food molecules, results in heating the food.

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