MCQ
At a given temperature the force between molecules of a gas as a function of intermolecular distance is:
  • A
    First decreases and then increases
  • B
    Always increases
  • C
    Always decreases
  • D
    Always constant

Answer

  1. First decreases and then increases

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 solid cylinder is rolling down on an inclined plane of angle $\theta $. The coefficient of static friction between the plane and the cylinder is $\mu _s$. The condition for the cylinder not to slip is
Two identical circular loops are moving with same kinetic energy one rolls $\&$ other slides. The ratio of their speed is 
$A$ block of mass $M$ is placed on $a$ horizontal surface and it is tied with an inextensible string to $a$ block of mass, as shown in figure. A block of mass $m_0$ is also placed on $M$ If there is no friction between any two surfaces, then
A gas is filled in a vessel at a pressure given by $P = \left( {6.02 \times {{10}^{23}}} \right)kT$ where $k$ is the Boltzmann constant and $T$ is the absolute temperature. The number of molecules per unit volume of the gas is
Three liquids of densities $d,\,2d$ and $3d$ are mixed in equal proportions of weights. The relative density of the mixture is
Velocity at the top of vertical journey under gravity when a body is projected upward with velocity 1000m/ s is: 
The relative error in the measurement of the side of a cube is $0.027$. The relative error in the measurement of its volume is .......... 
A clock which keeps correct time at ${20^o}C$, is subjected to ${40^o}C$. If coefficient of linear expansion of the pendulum is $12 \times {10^{ - 6}}/^\circ C$. How much will it gain or loose in time
A rod of length $L$ with sides fully insulated is of a material whose thermal conductivity varies with $\alpha$ temperature as $ K= \frac{\alpha }{T}$, where $\alpha$ is a constant. The ends of the rod are kept at temperature $T_1$ and $T_2$. The temperature $T$ at $x,$ where $x$ is the distance from the end whose temperature is $T_1$ is 
The ratio of diameters of two wires of same material is $n : 1$. The length of wires are $4\, m$ each. On applying the same load, the increase in length of thin wire will be