The unit vector along $\hat i + \hat j$ is

  • A

    $\hat k$

  • B

    $\hat i + \hat j$

  • C

    $\frac{{\hat i + \hat j}}{{\sqrt 2 }}$

  • D

    $\frac{{\hat i + \hat j}}{2}$

Similar Questions

The unit vector parallel to the resultant of the vectors $\vec A = 4\hat i + 3\hat j + 6\hat k$ and $\vec B = - \hat i + 3\hat j - 8\hat k$ is

State, for each of the following physical quantities, if it is a scalar or a vector : volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity.

Explain null vector. Explain the physical significance of null vector.

A vector is added to an equal and opposite vector of similar nature, forms a ........

Define scalar and vector physical quantities with their examples.