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-axisD. Has magnitude -2

Maximum number of components of a vector may be________________? A. 1 B. 2 C. 3D. Infinite

Cosθi^ + Sinθj^ is a_________________? A. Vector B. Position Vector C. Vector in the direction at angle θ with an x-axisD. The unit vector in the direction at angle θ with an x-axis

Maximum number of rectangular components are_____________? A. 1 B. 2C. 3 D. 4

The rectangular coordinate system is also called______________? A. Polar coordinate systemB. Cartesian coordinate system C. Cylindrical coordinate system D. Spherical coordinate system

Unit vector n^ is along______________? A. X-axisB. Normal on a surface C. Y-axis D. Z-axis

A vector can be multiplied by a number. The number may be_______________? A. Dimensionless B. Dimensional scalar C. NegativeD. All A, B and C are correct

The direction of a vector in space is specified by_______________? A. One angle B. Two angleC. Three angle D. No angle

Addition of vector obeys_____________? A. Commutative law B. Distributive law C. Associative lawD. All given laws in A, B and C