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Period of oscillation of 3 cm microwaves in seconds is

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Period of oscillation of 3 cm microwaves in seconds is

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Correct Answer: Option B
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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