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

Related Mcqs:

1. The cross product of two vectors is a negative vector when______________?

   A. They are parallel vectors
   B. They are anti parallel vectors
   C. They are a perpendicular vector
   D. They are rotated through 270°

2. 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

3. If a vector Ā is making an angle “∅” with positive y-axis then which of the following is correct.?

   A. Ax= ACos∅
   B. Ay= ASin∅
   C. Ay= ACos∅
   D. None

   Submitted by: Zahid Jagirani

4. 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

5. 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

6. The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?

   A. 30°
   B. 45°
   C. 60°
   D. 180°

7. An angle between two vectors A and B can be determined by_____________?

   A. Their dot product
   B. Their cross product
   C. Head to tail rule
   D. Right-hand rule

8. What is the angle of projection for which the range and maximum height become equal ?

   A. tan-1 ¼
   B. tan-1 4
   C. tan-1 ½
   D. tan-1 2

9. What is the angle that the given vector makes with y-axis and A=2i+3j ?

   A. 30°
   B. 60°
   C. 90°
   D. 120°

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

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

    Submitted by: Zahid Jagirani