SSC JE Mechanical Engineering 2017 Set 2 Paper

Question : 104 of 200

Marks: +1, -0

In order to double the period of a simple pendulum ________.

The mass of its bob should de doubled
The mass of its bob should be quadrupled
its length should be doubled
its length should be quadrupled

Solution:

Time period of simple pendulum

T=2π(√L/g)

where L, length of pendulum and g is local gravity acceleration In order to double the time period it is required to quadrupled the length of pendulum

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