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  2. Confused! kindly explain, The mass and diameter of a planet are twice those of earth. The period of oscillations of pendulum on this planet will be ( if it is a second pedulum on earth )

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Confused! kindly explain, The mass and diameter of a planet are twice those of earth. The period of oscillations of pendulum on this planet will be ( if it is a second pedulum on earth )

The mass and diameter of a planet are twice those of earth. The period of oscillations of pendulum on this planet will be ( if it is a second pedulum on earth )

  • Option 1)

    \frac{1}{\sqrt{2}}\: sec

  • Option 2)

    2\sqrt{2}\: sec

  • Option 3)

    2\: sec

  • Option 4)

    \frac{1}{2}\: sec

 
Answers (1)
503 Views
A Aadil Khan

 

\\*g =\frac{G_{M}}{R^{2}} \Rightarrow g' = \frac{g}{2} \\* \frac{T'}{T} = \sqrt{\frac{g}{g'}} \left[T=2sec \right ] \\*\Rightarrow T' = 2\sqrt{2}

Second's pendulum -

Simple pendulum whose time period is of 2 seconds

- wherein

* Length of simple pendulum is nearly 1 metre

 

 

 


Option 1)

\frac{1}{\sqrt{2}}\: sec

This is incorrect.

Option 2)

2\sqrt{2}\: sec

This is correct.

Option 3)

2\: sec

This is incorrect.

Option 4)

\frac{1}{2}\: sec

This is incorrect.

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