MCQ
The parameter that remains the same for molecules of all gases at a given temperature is :
  • kinetic energy
  • B
    momentum
  • C
    mass
  • D
    speed

Answer

Correct option: A.
kinetic energy
a
$\mathrm{KE}=\frac{\mathrm{f}}{2} \mathrm{kT}$

Conceptual

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Match List $I$ with List $II$ and select the correct answer using the codes given below the lists :

List $I$ List $II$
$P.$ Boltzmann constant $1.$ $\left[ ML ^2 T ^{-1}\right]$
$Q.$ Coefficient of viscosity $2.$ $\left[ ML ^{-1} T ^{-1}\right]$
$R.$ Planck constant $3.$ $\left[ MLT ^{-3} K ^{-1}\right]$
$S.$ Thermal conductivity $4.$ $\left[ ML ^2 T ^{-2} K ^{-1}\right]$

Codes: $ \quad \quad P \quad Q \quad R \quad S $ 

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