Question
Establish an expression for the mean kinetic energy of molecules. Under what circumstances can this be known?

Answer

SELF

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 body of mass m makes an elastic collision with another identical body at rest. Show that if the collision is not head-on, the bodies go at right angle to each other after the collision.
A geyser heats water flowing at the rate of $3.0$ litres per minute from $27°C$ to $77°C$. If the geyser operates on a gas burner, what is the rate of consumption of the fuel if its heat of combustion is $4.0 × 104J/g$?
A spring compressed by 0.1m develops a restoring force 10N. A body of mass 4kg placed on it. Deduce
  1. The force constant of the spring.
  2. The depression of the spring under the weight of the body(take g = 10 N/ kg).
  3. The period of oscillation, the body is distributed and.
  4. Frequency of oscillation.
A person normally weighing $50kg$ stands on a massless platform which oscillates up and down harmonically at a frequency of $2.0s^{–1}$ and an amplitude $5.0cm$. A weighing machine on the platform gives the persons weight against time.
  1. Will there be any change in weight of the body, during the oscillation?
  2. If answer to part (a) is yes, what will be the maximum and minimum reading in the machine and at which position?
State Kepler's laws on planetary motion. Explain the way the three laws can be proved.
Two coils A and B have inductances 1.0H and 2.0H respectively. The resistance of each coil is $10\Omega.$ Each coil is connected to an ideal battery of emf $2.0V$ at $t = 0$ Let $i_A$ and $i_B$ be the currents in the two circuit at time t. Find the ratio $\frac{\text{i}_\text{A}}{\text{i}_\text{B}}$
  1. t = 100ms
  2. t = 200ms
  3. t = 1s.
The two blocks in an Atwood machine have masses $2.0kg$ and $3.0kg$. Find the work done by gravity during the fourth second after the system is released from rest.
What is called degree of freedom? How many types are there? Explain to them.
Using mathematical methods and algorithms, derive kinetic equations for uniformly accelerated motion
1 litre of an ideal gas $(\gamma=1.5)$ at $300K$ is suddenly compressed to half its original volume.
  1. Find the ratio of the final pressure to the initial pressure.
  2. If the original pressure is $100kPa$, find the work done by the gas in the process.
  3. What is the change in internal energy?
  4. What is the final temperature?
  5. The gas is now cooled to $300K$ keeping its pressure constant. Calculate the work done during the process.
  6. The gas is now expanded isothermally to achieve its original volume of $1$ litre. Calculate the work done by the gas.
  7. Calculate the total work done in the cycle.