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NEET Sample Paper NEET Sample Test Paper-60

  • question_answer
    The bulk modulus of rubber is\[9.1\times {{10}^{8}}\text{ }N/{{m}^{2}}\]. To what depth a rubber ball be taken in a lake so that its volume is decreased by 0.1%?

    A) 25m                 

    B) 93m  

    C) 200m               

    D) 500m

    Correct Answer: B

    Solution :

    [b] \[k=\frac{p}{\frac{\Delta v}{v}}\] \[p=\frac{k\Delta v}{v}=9.1\times {{10}^{8}}\times \left[ \frac{0.1}{100} \right]\] \[p=h\ell g=9.1\times {{10}^{5}}\] \[h\times {{10}^{3}}\times 9.8=9.1\times {{10}^{5}}\] \[h=92.85m\] \[h=93m\]


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