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Class 12 Mathematics Chapter 10 Vector Algebra Quiz 3 (25 MCQs)

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1. Which one is paramagnetic?
2. What is the scalar product of two vectors a and b with an angle theta between them?
3. Calculate the cross product of <1, -2, 1> and <2, -1, 1>
4. Find the cross product of (3, 4, 7) and (4, 9, 2).
5. If w = <2, -5> and y = <2, 0>, find 2w + y
6. If A and B are matrices of same order then (AB'-BA$^{'}$) is
7. What is the sum of multiple vectors called?
8. What is the term for the vector that represents the difference between two vectors?
9. Which one is parallel vector of 3i+2j+5k
10. Given v = <-2, 5>, find-v
11. If $\overrightarrow{a}\overrightarrow{, b, }\overrightarrow{c}$ $\overrightarrow{a}$ $\overrightarrow{b}$ $\overrightarrow{c}$ $\overrightarrow{a}\left(\overrightarrow{b}\times\overrightarrow{c}\right)$
12. For a linear homogeneous material J$_{b }$and J$_{f}$ are .....
13. Vector a = 2i + 3j-5k. What is the value of 3a?
14. The distance between the planes $x+2y+3z+7=0\$ $2x+4y+6z+7=0$
15. Si $k<0$ $k\vec a$ $\vec a$
16. $\vec a-\vec b=\vec a+(-\vec b)$
17. $c\cos A+a\cos C=$
18. Dot product of vector-i + 2j + k and 3i + k is
19. If the matrix A is both symmetric and skew symmetric then
20. Assertion:Number of vector which is perpendicular to the vector $\overleftarrow{i}$ $\overleftarrow{r}=\overleftarrow{k}\sin\theta+\overleftarrow{j}\cos\theta$ $\overleftarrow{i}$ $\theta$
21. Sea $\vec v=\langle-3, 3\rangle$
22. Scalar product of two vectors are commutative or not
23. If 2i + 3j + 4k = xi-yj-zk then the value of x+y+z+xyz
24. Sea $\vec v=\langle 3, 4\rangle$
25. The scalar product of u and v is zero, therefore .....
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