The length of a ldquo second rsquo s pendulum rdquo g 980cm s2 is nearly ........

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The length of a “second’s pendulum”(g = 980cm/s2) is nearly

25 cm

50 cm

100 cm

300 cm

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Explanation:

The period depends on the length of the pendulum, and also to a slight degree on its weight distribution (the moment of inertia about its own center of mass) and the amplitude (width) of the pendulum's swing. At standard gravity its length is 0.994 m (39.1 in) or 100cm.