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Class 12 Mathematics Chapter 10 Vector Algebra Quiz 1 (25 MCQs)

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1. Assertion:Two vectors in three dimensional space will always be coplanar.Reason:Vectors are free vectors with fixed magnitude and direction.
2. What is the formula for the section formula when the point is internally divided?
3. Sea $\vec v=\langle-6, -6\rangle$
4. What is the result of the scalar product of two perpendicular vectors?
5. Which of the following is true about the addition of vectors?
6. Given u = <3, 7> and v =<-5, 4>, find 2v-3u
7. Find the magnitude of the vector <-5, 12>
8. If Tr(A) = 2+i then Tr[(2-i)A] =
9. What type of quantity is Work Done?
10. Given the vector v = 3i-2j +6 k, the magnitude of a is:
11. What is the term for the angle between two vectors when their dot product is zero?
12. Which of the following is an example of scalar magnitude?
13. Example for magnetic material used in data storage devices
14. How do you know if two vectors are orthogonal?
15. Given vectors PQ= 3i-2j and RQ=-2i+3j find PR
16. Two vectors with same origin is called
17. A Vector is a tensor of Rank .....
18. Cross product of two vector always gives scalar quantity
19. Which of the following vectors is a unit vector?
20. A resultant vector is
21. Vector 2i-3j-2k and vector-2i+3j+2k are given, which is wrong for them?
22. Magnetic permeability has units as
23. What is the result of adding two vectors A and B using the triangle law of vector addition?
24. Given v = 6j, find 4v.
25. U=<4, 2>, v=<7, 1> . Find 2u-3v
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