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Oscillations Part 2

Section: Physics

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Question : 5 of 74

Marks: +1, -0

A simple pendulum of string length 30 cm performs 20 oscillations in 10 s . The length of the string required for the pendulum to perform 40 oscillations in the same time duration is ____ cm . [Assume that the mass of the pendulum remains same.]

[23 Jan 2026 Shift 1]

0.75
7.5
15
120

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