BCECE Medical BCECE Medical Solved Papers-2013

  • question_answer
    When capillary tubes of different radii r dipped in water, water rises to different heights h in them, then

    A)  \[{{h}^{2}}=\] constant      

    B)  hr = constant

    C)  \[\frac{h}{r}=\] constant        

    D)  \[\frac{h}{{{r}^{2}}}=\] constant

    Correct Answer: B

    Solution :

    We have,\[h=\frac{2\sigma \cos \theta }{r\rho g}\] \[\Rightarrow \] h. r = constant


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