A) Time period of a simple pendulum depends on amplitude
B) Time shown by a spring watch varies with acceleration due to gravity
C) In a simple pendulum time period varies linearly with the length of the pendulum
D) The graph between length of the pendulum and time period is a parabola
Correct Answer: D
Solution :
The relation between time period (T) and length of pendulum \[(l)\] is \[T=2\pi \sqrt{\frac{l}{g}}\] On squaring and rearranging the terms, we get \[{{T}^{2}}=4{{\pi }^{2}}\frac{l}{g}\] Which is general equation \[({{y}^{2}}=4ax)\] of a parabola.
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