Unit vector is used to specify the _____________?

Related Mcqs:

1. The unit vector in the direction of vector A = 2 i^ -2j^ + k^ is_______________?

   A. 2i^ – 2j^ + k^
   B. (2i^ – 2j^ +k^)/9
   C. (2i^ – 2j^ +k^)/3
   D. (2i^ – 2j^ +k^)/5

2. Two vectors A and B are making angle θ with each other. The scalar projection of vector B on vector A is written as____________?

   A. A.B/A
   B. A.B/B
   C. A.cosθ
   D. Both a and b are correct

3. Null vector is a vector which has________________?

   A. Zero magnitude
   B. No specified direction
   C. Both A and B are correct
   D. Both A and B are not correct

4. Unit vector n^ is along______________?

   A. X-axis
   B. Normal on a surface
   C. Y-axis
   D. Z-axis

5. Which one is a unit vector ?

   A. ??3 i^ + ??3 j^ + ??3 k^
   B. 1/??3 i^ + 1/??3 j^ +1/ ??3 k^
   C. ??3 / 3 i^ + ??3 / 3 j^ + ??3 / 3 k^
   D. Both B and C are correct

6. The standard vector symbol for flux density is ____________________?

   A. M
   B. L
   C. H
   D. B

7. A vector can have maximum________components in a plane.?

   A. Zero
   B. Two
   C. Three
   D. Infinite

   Submitted by: Zahid Jagirani

8. A vector can have maximum________components in space.?

   A. Zero
   B. Two
   C. Three
   D. Infinite

   Submitted by: Zahid Jagirani

9. What is the minimum number of unequal magnitude vectors required to get a null vector?

   A. Zero
   B. Two
   C. Three
   D. None

   Submitted by: Zahid Jagirani

10. Angle between the rectangular components of a vector is________?

    A. Zero
    B. 30°
    C. 45°
    D. 90°

    Submitted by: Zahid Jagirani