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  3. Can someone help me with this, - Oscillations and Waves - JEE Main-7
# Engineering

A simple pendulum oscillating in air has period T, The bob of the pendulum is completely immeresed in a non-viscous liquid.The density of the liquid is \frac{1}{16}thof the material of the bob. If the bob is inside liquid all the time,its period of oscillation in this liquid is :

  • Option 1)

     2T\sqrt{\frac{1}{10}}

  • Option 2)

     2T\sqrt{\frac{1}{14}}

  • Option 3)

     4T\sqrt{\frac{1}{15}}     

  • Option 4)

    4T\sqrt{\frac{1}{14}}

 

Answers (1)
S solutionqc


Option 1)

 2T\sqrt{\frac{1}{10}}

Option 2)

 2T\sqrt{\frac{1}{14}}

Option 3)

 4T\sqrt{\frac{1}{15}}     

Option 4)

4T\sqrt{\frac{1}{14}}

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