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| Q. |
Period of oscillation of 3 cm microwaves in seconds is |
| A. | 1 x 10¹⁰ |
| B. | 1 x 10⁻¹⁰ |
| C. | 0.01 |
| D. | 0.001 |
| Answer» B. 1 x 10⁻¹⁰ | |
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Explanation: The period of oscillation of 3 cm microwaves is 1 x 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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