Addition of vector obeys_____________?
A. Commutative law B. Distributive law C. Associative law D. All given laws in A, B and C
Physics MCQs with Answers
The direction of a vector in space is specified by_______________?
A. One angle B. Two angle C. Three angle D. No angle
A vector can be multiplied by a number. The number may be_______________?
A. Dimensionless B. Dimensional scalar C. Negative D. All A, B and C are correct
Unit vector n^ is along______________?
A. X-axis B. Normal on a surface C. Y-axis D. Z-axis
The rectangular coordinate system is also called______________?
A. Polar coordinate system B. Cartesian coordinate system C. Cylindrical coordinate system D. Spherical coordinate system
Maximum number of rectangular components are_____________?
A. 1 B. 2 C. 3 D. 4
Cosθi^ + Sinθj^ is a_________________?
A. Vector B. Position Vector C. Vector in the direction at angle θ with an x-axis D. The unit vector in the direction at angle θ with an x-axis
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