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Umme Asked a Question
December 3, 2020 7:41 pmpts 30 pts
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Q.44. let ř denote the position vector of any point in three-dimensional space, and r = |r|.then [net dec.20 (a) v.r = 0 and v x r= (b) v.= 0 and vr =0 () v.=3

Q.44. Let ř denote the position vector of any point in three-dimensional space, and r = |r|.Then [Net Dec.20 (a) V.r = 0 and V x r= (b) V.= 0 and Vr =0 () V.=3 and Vr = (d) v.i= 3 and V x f =0
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  • Ruby negi thankyou
    this is easy question,only u have to remember that vector r =x i + y j + z k... using this u can easily satisfy all the options.
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  • Jeevesh Best Answer
    please see the attachment for details. also, remember the laplacian for Cartesian, polar and cylindrical, will come helpful in exam. and also in the electrostatics
    • cropped2146270014.jpg
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