What is the angle that the given vector makes with y-axis and A=2i+3j ?
A. 30° B. 60° C. 90° D. 120°
Physics MCQs with Answers
In which quadrant the two rectangular components of a vector have same sign ?
A. 1st B. 2nd C. Both 1st and 3rd D. 4th
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
Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , then_____________?
A. B is anti-parallel to A B. B is a negative vector of A C. B has a negative magnitude D. B is perpendicular to A
If A=B, which of the following is not correct ?
A. A.B = A^ B^ B. |A| = |B| C. |A^| = |B^| D. AB^ = BA^
I ^. (j^ x k^) is equal to______________?
A. 1 B. i^ C. j^ D. k^
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
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
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