2. Solved Papers
  3. VMMC

VMMC VMMC Medical Solved Paper-2013

  • question_answer
    The excess pressure inside a soap bubble of    radius 4 cm is \[30\,dyne/c{{m}^{2}}.\] The surface    tension is

    A)  30 dyne/cm        

    B)  20 dyne/cm

    C)  40 dyne/cm        

    D)  80 dyne/cm

    Correct Answer: A

    Solution :

     Excess pressure \[p=\frac{4T}{r}\] \[T=\frac{pr}{4}\] \[=\frac{30\times 4}{4}\] \[=30\,dyne/cm\]


You need to login to perform this action.
You will be redirected in 3 sec spinner