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Simple Harmonic Motion question

2015 · Shift 0 · Q69

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JEE Main
Physics
Simple Harmonic Motion
2015 · Shift 0 · Q69

Simple Harmonic Motion question

2015 · Shift 0 · Q69

JEE MainPhysicsSimple Harmonic MotionMCQ+4 / −1

The period of oscillation of a simple pendulum is

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

. Measured value of L is 20.0 cm known to 1 mm accuracy and time for 100 oscillations of the pendulum is found to be 90 s using wrist watch of 1 s resolution. The accuracy in the determination of g is:

A
1 %
B
5 %
C
2 %
D
3 %

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