A. 2i^ – 2j^ + k^
B. (2i^ – 2j^ +k^)/9
C. (2i^ – 2j^ +k^)/3
D. (2i^ – 2j^ +k^)/5
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Related Mcqs:
- 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 - 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 - If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?
A. West
B. North
C. Down
D. Up - The direction of a vector in space is specified by_______________?
A. One angle
B. Two angle
C. Three angle
D. No angle - 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 - Unit vector n^ is along______________?
A. X-axis
B. Normal on a surface
C. Y-axis
D. Z-axis - 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 - Unit vector is used to specify the _____________?
A. Magnitude
B. Velocity
C. Direction of vector
D. FrequencySubmitted by: Chakar Hussain Shar
- Maximum number of components of a vector may be________________?
A. 1
B. 2
C. 3
D. Infinite - What is the angle that the given vector makes with y-axis and A=2i+3j ?
A. 30°
B. 60°
C. 90°
D. 120°
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