UP Board Class 12 Vector Algebra — practice questions
24 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice UP Board Class 12 Vector Algebra in the app →The magnitude of the vector $\vec a = 3\hat i + 4\hat j$ is:The dot product $\vec a\cdot\vec b$ of $\vec a = 2\hat i - \hat j + 3\hat k$ and $\vec b = \hat i + 4\hat j + The cross product $\vec a\times\vec b$ of two parallel non-zero vectors is:Three vectors $\vec a, \vec b, \vec c$ are coplanar if and only if:A quantity with magnitude as well as direction is a:Which of these is a scalar quantity?Which of these is a vector quantity?A vector whose initial and terminal points coincide is the:A vector of magnitude one is called a:The distance between initial and terminal points is the vector's:On a vector diagram, direction is shown by the:The unit vector along a given vector is written with which symbol?Adding vectors by completing a parallelogram is the:Vector addition where order does not matter is called:The additive identity for vectors is the:The vectors i, j and k each have magnitude:The vectors i, j and k lie along which axes?A vector joining two points is found by applying the:A directed line segment has magnitude and:The girl's net movement from A to C is represented by a:Where does a vector start, in the standard naming?Multiplying a vector by a scalar changes its:Which quantity in this list is NOT a vector?A unit vector is mainly used to show a vector's: