A. Zero magnitude
B. No specified direction
C. Both A and B are correct
D. Both A and B are not correct
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Related Mcqs:
- What is the minimum number of unequal magnitude vectors required to get a null vector?
A. Zero
B. Two
C. Three
D. NoneSubmitted by: Zahid Jagirani
- 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 - 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 - Addition of vector obeys_____________?
A. Commutative law
B. Distributive law
C. Associative law
D. All given laws in A, B and C - The direction of a vector in space is specified by_______________?
A. One angle
B. Two angle
C. Three angle
D. No angle - Maximum number of components of a vector may be________________?
A. 1
B. 2
C. 3
D. Infinite - Which one is not correct for a vector A= 2i+2j+3k ?
A. Has direction 45° with an x-axis
B. Has magnitude 2
C. Has magnitude 2 and direction °=45° with a y-axis
D. Has magnitude -2 - What is the angle that the given vector makes with y-axis and A=2i+3j ?
A. 30°
B. 60°
C. 90°
D. 120° - In which quadrant the two rectangular components of a vector have same sign ?
A. 1st
B. 2nd
C. Both 1st and 3rd
D. 4th - The direction of the vector product is given by______________?
A. Head to tail rule
B. Right-hand rule
C. Left-hand rule
D. Triangular rule
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