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The time period of a simple pendulum is ...

The time period of a simple pendulum is given by `T = 2pisqrt(l/g)` . The measured value of the length of pendulum is 10 cm known to a 1 mm accuracy. The time for 200 oscillations of the pendulum is found to be 100 second using a clock of 1 s resolution. The percentage accuracy in the determination of 'g' using this pendulum is 'x'. The value of 'x' to the nearest integer is,

A

0.03

B

0.05

C

0.04

D

0.02

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Knowledge Check

  • Time period of oscillation of a simple of a simple pendulum T = 2pi sqrt((I)/(g)) . Measured value of I is 20.0 cm known to 1 mm accuracy and time for 100 oscillation of the pendulum is found to be 90 s. using a wrist watch of 1s resolution. The accuracy in the determination of g is

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