1. Tardigrade
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  3. Physics
  4. A child swinging on a swing in sitting position, stands up, then the time period of the swing will:

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Q. A child swinging on a swing in sitting position, stands up, then the time period of the swing will:

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Solution:

As the child stands up, the effective length of pendulum decreases due to the reason that the centre of gravity rises up. Hence, according to
$T=2 \pi \sqrt{\frac{l}{g}}$
$T$ will decrease.