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NEET Sample Paper NEET Sample Test Paper-36

  • question_answer
    In a capillary tube, water rises by 1.2 mm. The height of water that will rise in another capillary tube having half the radius of the first, is

    A)  1.2mm      

    B)  2.4mm

    C)  0.6mm      

    D)  0.4mm

    Correct Answer: B

    Solution :

     \[h\propto \frac{1}{r}\,\,\therefore \,{{r}_{1}}{{h}_{1}}={{r}_{2}}{{h}_{2}}\Rightarrow {{h}_{2}}=\frac{{{r}_{1}}{{h}_{1}}}{{{r}_{2}}}=2.4\,mm\]


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