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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2010

  • question_answer
        Two vertical glass plates 1 mm apart are dipped into water. How high will be the water rise between the plates, if the surface tension of water is\[70\text{ }dyne/c{{m}^{2}}\]?

    A)  2.86cm                                

    B)  1.43cm

    C)  5.72cm                                

    D)  1.63cm

    Correct Answer: B

    Solution :

                    \[h=\frac{2T\cos \theta }{r\rho g}=\frac{2\times 70\times \cos 0{}^\circ }{0.1\times 1\times 980}\]\[=1.43\text{ }cm\]


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