MCQ
Unit of moment of inertia in $MKS$ system
  • A
    $kg \times c{m^2}$
  • B
    $kg/c{m^2}$
  • $kg \times {m^2}$
  • D
    $Joule \times m$

Answer

Correct option: C.
$kg \times {m^2}$
c
(c) As $  I  = M{R^2} = kg - {m^2}$

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

A cart moves with a constant speed along a horizontal circular path. From the cart, a particle is thrown up vertically with respect to the cart, the particle will,
In the relation $y = a\cos (\omega t - kx)$, the dimensional formula for $k$ is
A frictionless cart $A$ of mass $100\  kg$ carries other two frictionless carts $B$ and $C$ having masses $8\  kg$ and $4\  kg$ respectively connected by a string passing over a pulley as shown in the figure. What horizontal force $F$ must be applied on the cart so that smaller cart do not move relative to  it .......... $N$
In the given $P$-V diagram, a monoatomic gas $\left(\gamma=\frac{5}{3}\right)$ is first compressed adiabatically from state $A$ to state $B$. Then it expands isothermally from state $B$ to state $C$. [Given: $\left(\frac{1}{3}\right)^{0.6} \simeq 0.5, \ln 2 \simeq 0.7$ ].

Which of the following statement($s$) is(are) correct?

$(A)$ The magnitude of the total work done in the process $A \rightarrow B \rightarrow C$ is $144 kJ$.

$(B)$ The magnitude of the work done in the process $B \rightarrow C$ is $84 kJ$.

$(C)$ The magnitude of the work done in the process $A \rightarrow B$ is $60 kJ$.

$(D)$ The magnitude of the work done in the process $C \rightarrow A$ is zero.

Two spheres $A$ and $B$ of masses $m_1$ and $m_2$ respectively collide. $A$ is at rest initially and $B$ is moving with velocity $v$ along $x-$ axis. After collision $B$  has a $\frac {v}{2}$ velocity in a direction perpendicular to the original direction. The mass $A$ moves after collision in the direction
Absolute scale of temperature is reproduced in the laboratory by making use of a
A solid material is supplied with heat at a constant rate. The temperature of material is changing with heat input as shown in the figure. What does slope $DE$ represent.
The maximum horizontal range of a projectile is $160\, m$. When the projectile is thrown  with the same speed at an elevation of $30^o$ from the horizontal, it will reach to the  maximum height of   ......... $m$
A thermodynamic system is taken through the cycle $PQRSP$ process. The net work done by the system is ....... $J$
Consider an infinite distribution of point masses (each of mass $m$) placed on $x$ -axis  as shown in the diagram. What is the gravitational force acting on the point mass  placed at the origin ?