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Microwave oven was introduced by

APercy L Spencer

BHurley machine company

CWilliam hunt

DChristian huygens

Answer:

A. Percy L Spencer

Read Explanation:

  • Microwave ovens pass microwave radiation through the food that produces heat in it.
  • Water molecules are electric dipoles means it has a partial positive charge at one end and a partial negative charge at the other end.
  • The microwave provides radiations of the frequency 2.5GHZ . They are non-ionizing electromagnetic waves and thus cannot ionize the water molecules present.
  • So, the water molecules absorb energy from the electromagnetic waves. This results in an increase in the temperature of the water.
  • Therefore, the water molecules undergo vibrational motion and transfer energy among them. This energy is heat.

        Water, fats, and other substances in food absorb microwave energy.


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