Oscillations and Waves: JEE Main 2021 Physics question

JEE Main 2021 · 18 Mar, Morning shift · Q8158

JEE Main 202118 Mar, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

The time period of a simple pendulum is given by

T = 2\pi \sqrt {{l \over g}}

. The measured value of the length of pendulum is 10 cm known to a 1mm accuracy. The time for 200 oscillations of the pendulum is found to be 100 second using a clock of 1s resolution. The percentage accuracy in the determination of 'g' using this pendulum is 'x'. The value of 'x' to be nearest integer is :-

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JEE Main 2021 Oscillations and Waves Question with Solution (18 Mar Morning shift, Q8158) | JEE Arc