Food can be cooked in half time if it is cooked in the microwave which type of wave would need to be used in the microwave

Radio waves

Explanation:

The type of wave that would need to be used in the microwave is RADIO WAVE.

The short radio wave is of around 2,450 megahertz is made by the microwave through the conversion of electric power. During the cooking process of the microwave, the heat is produced directly In the microwave. The inner part of the food is then cooked through the heat conduction generated from the outer part.

Using a microwave to cook is considered safer than the conventional method of cooking.

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