Home › Bihar Board Class 12 (Commerce) › Mathematics › Vectors › Which standard unit vector lies along the positi…
Which standard unit vector lies along the positive Y-axis?
Aj
B-j
Ci
Dk
Answer & Solution
Correct answer: A. j
The standard basis uses i, j and k along the X, Y and Z axes respectively.
Related questions
In physics, the acceleration of a point is the time derivative of itsWho, with Heaviside, introduced the dot and cross notation for vector products in 1881?In vector analysis the magnetic field B is classed as aA tetrahedron has three mutually perpendicular edges i, j and k from one vertex. Its volumThe vectors i + j and j + k are adjacent sides of a parallelogram. Its area isFor any vector a, the cross product a × a equalsA vector of magnitude 4 is multiplied by the scalar -3. The magnitude of the result isThe direction cosine of i + j + k along the x-axis is