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JEE Main 2019 (April) Revision Quiz-2 on Vector Algebra
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Question 1
Volume of the parallelepiped determined by the vectors and is 6. Then the volume of the parallelepiped determined by the vectors
Question 2
If are three vectors such that then the value of is:
Question 3
A force of 25 N is applied to two objects A and B. This force produces the accelerations in the ratio 4:3. If the force is increased to 30 N, then the difference in the ratios of new and earlier accelerations is
Question 4
If and are adjacent sides of a parallelogram, then the lengths of its diagonals are
Question 5
If and are three mutually perpendicular vectors, then the projection of the vector
along the angle bisector of the vectors and may be given as
along the angle bisector of the vectors and may be given as
Question 6
If are three unit vectors, no two of which are collinear, is collinear with collinear with is equal to –
Question 7
Let and a vector be such that and Then equals :
Question 8
Let A, B,C be vectors of length 3,4,5 respectively. Let A be perpendicular to B+C, B to C+A and C to A+B. Then find the length of the vector A+B+C.
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Feb 18JEE & BITSAT