In microwave ovens, the commonly used radio wave frequency is roughly_ – McqOptions

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1.	In microwave ovens, the commonly used radio wave frequency is roughly________
A.	2,500 megahertz
B.	8000 kilohertz
C.	1000 megahertz
D.	None of these
Answer» B. 8000 kilohertz

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In microwave ovens, the commonly used radio wave frequency is roughly________