MCQ
An ideal gas is filled in a vessel, then
  • A
    If it is placed inside a moving train, its temperature increases
  • B
    Its centre of mass moves randomly
  • Its temperature remains constant in a moving car
  • D
    None of these

Answer

Correct option: C.
Its temperature remains constant in a moving car
c

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 force $\overrightarrow {\;F} = \alpha \hat i + 3\hat j + 6\hat k$ is acting at a point $\overrightarrow {\;R} = 2\hat i - 6\hat j - 12\hat k$. The value of $\alpha$ for which angular momentum about origin is conserved is
A body of mass $2\, kg$ is hung on a spring balance mounted vertically in a lift. If the lift descends with an acceleration equal to the acceleration due to gravity $‘g’$,  if the lift moves up with a constant velocity of $2 \,m/sec$, the reading on the balance will be ......... $kg$
A body starts from rest from the origin with an acceleration of $6 \;m / s^2$ along the $x$-axis and $8\; m / s^2$ along the $y$-axis. Its distance from the origin after $4\; seconds$ will be
In adiabatic expansion
When a long glass capillary tube of radius $0.015\;cm$ is dipped in a liquid, the liquid rises to a height of $15\, cm$ within it. If the contact angle between the liquid and glass to clase to $0^{\circ},$ the surface tension of the liquid, in $milli\,Newton \;m ^{-1}$ is $.....$

$\left[\rho_{\text {(liquid) }}=900\; kg\,m ^{-3}, g =10\, ms ^{-2}\right]$ (Give answer in closest integer)

In a given process for an ideal gas, $dW = 0$ and $dQ < 0.$ Then for the gas
A porter lifts a heavy suitcase of mass $80\, {kg}$ and at the destination lowers it down by a distance of $80\, {cm}$ with a constant velocity. Calculate the workdone by the porter in lowering the suitcase. (take $g=9.8\, {ms}^{-2}$ ) (In ${J}$)
A $150 \,m$ long train is moving with a uniform velocity of $45 \,km/h$. The time taken by the train to cross a bridge of length $850 $ meters is..........$sec$
A particle is performing simple harmonic motion with amplitude A and angular velocity ${\omega }$. The ratio of maximum velocity to maximum acceleration is
Water flows in a horizontal tube as shown in figure. The pressure of water changes by $600\, N/ m^2$ between $A$ and $B$ where the area of crosssection are $30\, cm^2$ and $15\, cm^2$ respectively. Find the rate of flow of water through the tube.