MCQOPTIONS
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| 1. |
If a body is released into a tunnel dug across the diameter of earth, it executes simple harmonic motion with time period [CPMT 1999] |
| A. | \[T=2\pi \sqrt{\frac{{{R}_{e}}}{g}}\] |
| B. | \[T=2\pi \sqrt{\frac{2\,{{R}_{e}}}{g}}\] |
| C. | \[T=2\pi \sqrt{\frac{{{R}_{e}}}{2g}}\] |
| D. | \[T=2\] seconds |
| Answer» B. \[T=2\pi \sqrt{\frac{2\,{{R}_{e}}}{g}}\] | |