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    Question

    The microwave frequency used in food industry is:

    A 915MHz Correct Answer Incorrect Answer
    B 2450MHz Correct Answer Incorrect Answer
    C 1215MHz Correct Answer Incorrect Answer
    D all of the above Correct Answer Incorrect Answer

    Solution

    In the United States, the Federal Communications Commission (FCC) has set aside two frequencies for industrial, scientifi┬а and medical (SM) apparatus in the microwave range, namely 915 ┬▒ 13 MHz, and 2450 ┬▒ 50 MHz.

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