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If veca is a nonzero vector of magnitude...

If `veca` is a nonzero vector of magnitude `'a'` and `lambda` a nonzero scalar, then `lambdaveca` is unit vector if:

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The correct Answer is:
`a=1/(|lamd|)`
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ACCURATE PUBLICATION-VECTOR ALGEBRA-QUESTIONS CARRYING 1 MARK (TYPE - II : FILL IN THE BLANKS QUESTIONS)
  1. If veca is a nonzero vector of magnitude 'a' and lambda a nonzero s...

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  2. Magnitude of the vectors 2/(sqrt(3))hati+2/(sqrt(3))hatj+2/(sqrt(3))ha...

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  3. Direction ratio's of vectors 3hati+2hatj+4hatk are :

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  4. If veca=2hati-hatj+hatk and vecb=-2hati+hatj+2hatk, then vector in the...

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  5. If veca=2hati+2hatj+3hatk and vecb=hati+2hatj+2hatk then the unit vect...

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  6. Position vector of mid-point of vector joining the points P (2,3,4)and...

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  7. If |veca|=sqrt3,|vecb|=2 and veca*vecb=sqrt6. Then the angle between v...

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  8. If |veca|=1,|vecb|=2 and veca*vecb=1. Then the angle between veca and ...

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  9. If 2(veca.vecb)= |veca||vecb| then angle between veca and vecb equals ...

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  10. The projection of veca=2hati-2hatj-hatk on vecb=3hati-hatj+2hatk is eq...

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  11. If veca=2hati+lambdahatj+hatk and vecb=3hati-2hatj+8hatk are per[endic...

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  12. The value of lambda for which the vectors veca=2hati+lambdahatj+hatk ...

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  13. If veca=hati-hatj+hatk and vecb=5hati-hatj+2hatk, then veca*vecb is :

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  14. If veca=2hati+hatj+7hatk and vecb=5hati-3hatj+10hatk, then veca*vecb i...

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  15. If veca*vecb=|vecaxxvecb|, then angle between vector veca and vector v...

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  16. If sqrt(3)veca.vecb=|vecaxxvecb| then angle between vector veca and ve...

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  17. If veca.vecb=|vecaxxvecb| then angle between vector veca and vector ve...

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  18. The value of : hati*(hatjxxhatk)+hatj*(hatkxxhati)+hatk*(hatixxhatj) i...

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  19. If theta is the angle between two vectors veca and vecb, then |veca*ve...

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  20. If theta is the angle between two vectors veca and vecb, then |veca*ve...

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