Vibhuti posted an Question
May 04, 2020 • 03:57 am 30 points
  • IIT JAM
  • Physics (PH)

Example-11: if grad =& o(r)=0 at r-1, then find

please help me to find the answer of this question,.............,.............

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    Abhishek singh

    I am writing "phi" as $,. now it is given that d$/dr = 1/r^4. on integrating both sides. $= -1/(3*r^3) + C. now using initial conditions. at r=1, $=O :- C= 1/3. hence $ = -1/(3*r^3) + 1/3

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