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  1. Period of oscillation of 3 cm microwaves in seconds is

    2. A.

     1 × 1010
    B.

     1 × 10–10
    C.

     0.01
    D.

     0.001

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    Answer : Option B

    Explanation :

    The period of oscillation of 3 cm microwaves is 1 × 10-10 (Physics, Volume 1, by Halliday). The period of oscillation is the smallest interval of time in which a system undergoing oscillation returns to the state it was in at the beginning of the oscillation.

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