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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  and medical (SM) apparatus in the microwave range, namely 915 ± 13 MHz, and 2450 ± 50 MHz.

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