In an experiment for determining the gravitational acceleration $g$ of a place with the help of a simple pendulum, the measured time period square is plotted against the string length of the pendulum in the figure. What is the value of $g$ at the place? ...... $m/s^2$
  • A$9.81$
  • B$9.87$
  • C$9.91$
  • D$10$
JEE MAIN 2014, Medium
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