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MODERN PUBLICATION-VECTORS-Exercise
- If p(hati+hatj+hatk) is a unit vector, then p is equal to :
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- The value of 'lambda' for which the vectors : veca=3hati+hatj-2hatk an...
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- If veca=2hati+3hatj-5hatk and vecb=hati+hatj-hatk, then veca*vecb is :
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- Magnitude of the vector vec(PQ), joining the points P(2,3,0) and Q(1,-...
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- If veca*vecb=-|veca|*|vecb|, then theta=,
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- If veca is a non-zero vector of magnitude 'a' and 'lambda' is a non-ze...
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- The value of hati*(hatjxxhatk)+hatj*(hatixxhatk)+hatk*(hatixxhatj) is ...
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- The projection of veca=2hati-hatj+hatk on vecb=hati-2hatj+hatk is equa...
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- If |veca*vecb|=|vecaxxvecb|, then the angle between veca and vecb is :
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- Let veca=hati-2hatj+3hatk. If vecb be a vector such that : veca*vecb=|...
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- If veca,vecb,vecc are three non-zero vectors such that each one of the...
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- If veca=hati+2hatj+2hatk, |vecb|=5 and the angle between veca and vceb...
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- If veca*vecb=0 and veca+vecb makes an angle of 60^@ with veca, then :
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- The area of the parallelogram whose adjacent sides are hati+hatk and 2...
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- If the projection of vecb on veca is twice the projection of veca on v...
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- If (vecaxxvecb)^2+(veca*vecb)^2=144 and |veca|=4, then |vecb|=
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- The non-zero vectors veca,vecb and vecc are related by veca=8vecb and ...
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- The edges of a parallelopiped are of unit length and are parallel to ...
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- If a, b, c and d are the unit vectors such that (atimesb)*(ctimesd)=1 ...
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- If vecu, vecv, vecw are non -coplanar vectors and p,q, are real numbe...
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