Himanshu Pandey Asked a Question
July 19, 2020 2:02 ampts 30 pts
how lines of option A are rotational as they have curl of zero if as suggested in answer ???
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  • Ruby negi Best Answer
    dear, curl zero means irrotational and u did question according to rotational... A and D are correct if question is about rotational vector field...
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    Ruby negi
    question is about irrotational vector field( means curl zero) so option b and d is correct....
  • Vaishali sharma thankyou
    see this as well
    • cropped3458808739172323045.jpg
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  • Mahak thankyou
    ans is both b and d because length of vector in Band D are not changing in director either parallel or perpendicular to vector so their curl is zero but in option a length of vecto...
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  • Vaishali sharma
    dear curl basically shows totation if somewhere curl is zero it simply means that there is no rotation or that is irrotational
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    Vaishali sharma
    so see these figures u will know that A and D are correct options
  • Vaishali sharma
    see this
    • cropped3825712084972223464.jpg
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    Vaishali sharma
    it will help u
  • Ruby negi
    Himanshu! u r a good student and i think u will score good rank and achieve good . be careful to read questions, try to analysis ur mistakes and make a note of ur mistakes so that ...
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  • Chandra dhawan
    dear answer is B and D....
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