Question

what is a microwave oven

Answer 1

its use for cooking purpose by controling
high and low temperature.

Answer 2

An electromagnetic wave with a wavelength in the range 0.001 - 0.3m , shorter than that a normal radio wave but longer than those of infrared radiation. Microwaves are used in radar , in communication , and for heating in microwave ovens and in various industrial processes.

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