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Class 12 Mathematics Chapter 10 Vector Algebra Quiz 4 (25 MCQs)

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1. A(1, 1, 3) and B( 0, 2, 8) find position vector AB
2. Matrix A has x rows and x+5 columns, matrix B has y rows and 11-y columns. Both AB and BA exist then
3. How is a vector represented?
4. The unit of Charge is Coulomb. Coulomb is a ..... quantity
5. Select the most appropriate response; Inverse vectors
6. Basic Source of magnetism is .....
7. Parallel vectors have same direction
8. The sum of A=2, 1, 0 + B=0, 1, 2 is:
9. If two vectors are perpendicular then what is the value of the dot product of them
10. I.i = j.j =k.k=
11. If A and B are two matrices such that AB=B and BA=A then A$^{2}$+B$^{2}$=$^{ }$
12. Find the magnitude of vector AB if the initial point is (-3, 1) and the terminal point is (3, 9).
13. The vector 2 i + $\alpha$ j + k is perpendicular to the vector 2 i-j-k if
14. Is the outcome of cross product a scalar or vector?
15. Given the vector v = 3i-2j +6 k, the magnitude of v is:
16. What is the term for two or more vectors that have the same initial point?
17. What is a vector?-a quuantity with
18. If two vectors have opposite directions and different magnitude, they are said to be ..... vectors
19. Vector AB = vector BA
20. Given b = <4, -1>, find-2b
21. A.b=-|a||b|What is the angle between a and b
22. A vector with initial and terminal point same is called .....
23. The origin of field H is .....
24. I.j =j.i =
25. Dot Product of the vectors i-2j + 3k and 3i-2j + k is
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