NEET-XII-Physics
12: Simple Harmonic Motion
- #11A pendulum clock gives correct time at the equator. Will it gain time or loose time as it is taken to the poles?Ans : According to the relation:
`` T=2\pi \sqrt{\frac{l}{g}}``
The time period (T) of the pendulum becomes proportional to the square root of inverse of g if the length of the pendulum is kept constant.
i.e. `` T\propto \sqrt{\frac{1}{g}}``
Also, acceleration due to gravity (g) at the poles is more than that at equator. Therefore, the time period decreases and the clock gains time.
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