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Snehasish Ghosh posted an Question
August 11, 2020 • 02:04 am 30 points
  • IIT JAM
  • Physics (PH)

Please solve question no 1 in the pic. the answer is given along with it.

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    Deepak singh 1

    see , this is the result in vector calculus that I have used.

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    Deepak singh 1 Best Answer

    answer is 90..

    cropped407626858.jpg
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    Sir, why did u apply partial differentiation

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    I have not applied partial differentiation , I have used just formula used in vector calculus..

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    Which formula sir

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    sir, then the 3rd line from take projection on y-z plane is wrong.... it should be y/4 and not x/4

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    there is x/4 because we have projection on yz plane , so we have multiply with i

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    see

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