MCQ
Unit vector does not have any .......
  • A
    Direction
  • B
    Magnitude
  • Unit
  • D
    All of these

Answer

Correct option: C.
Unit
c
(c)

Unit vector does not have any unit.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Bulk modulus of water is 2 × 109N/ m2. The pressure required to increase the density of water by 0.1% in N/ m2 is:
Masses  ${\rm{8, 2, 4, 2 }}kg{\rm{ }}$ are placed at the corners $A, B, C, D$ respectively of a square $ABCD$ of diagonal $80\,cm$. The distance of centre of mass from $A$ will be ........ $cm$
For the stationary wave $y = 4\sin \,\left( {\frac{{\pi x}}{{15}}} \right)\cos (96\,\pi t)$, the distance between a node and the next antinode is
The specific heat capacity of a substance is temperature dependent and is given by the formula $C=k T$, where $k$ is a constant of suitable dimensions in $SI$ units, and $T$ is the absolute temperature. If the heat required to raise the temperature of $1 \ kg$ of the substance from $-73^{\circ} C$ to $27^{\circ} C$ is $n k$, the value of $n$ is. . . . . .[Given: $0 K =-273^{\circ} C$.]
The maximum possible efficiency of a heat engine is ...........
If the initial velocity in horizontal direction of a projectile is unit vector $\hat{i}$ and the equation of trajectory is $y =5 x (1- x )$. The $y$ component vector of the initial velocity is.

(Take $g=10\,m / s ^{2}$ )

A string of length $L$ is fixed at one end and carries a mass $M$ at the other end. The string makes $2/\pi$ revolutions per second around the vertical axis through the fixed end as shown in the figure, then tension in the string is
A sphere of density $\rho $ , specific heat capacity $c$ and radius $r$ is hung by a thermally insulating thread in an enclosure which is kept at a lower temperature than the sphere. The temperature of the sphere starts to drop at a rate which depends upon the temperature difference between the sphere and the enclosure and the nature of the surface of sphere and is proportional to
The monoatomic molecules have only three degrees of freedom because they can possess:
$KE$ of a body is increased by $44 \%$. What is the percent increase in the momentum is ...... $\%$