Question
Calculate the heat absorbed by a system in going through the cyclic process shown in figure.

Answer


Heat absorbed = work done = Area under the graph

In the given case heat absorbed = area of the circle

$= \pi \times 10^4 × 10^{-6} \times 10^3 = 3.14 \times 10 = 31.4\text{J}$

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

  1. An em wave is travelling in a medium with a velocity $\overrightarrow{\text{v}} = \text{v}\hat{\text{i}}.$ Draw a sketch showing the propagation of the em wave, indicating the direction of the oscillating electric and magnetic fields.
  2. How are the magnitudes of the electric and magnetic fields related to the velocity of the em wave?
Obtain the expression of electric field at any point by continuous distribution of charge on a volume.
A proton and a deuteron have the same velocity; what is the ratio of their de Broglie wavelengths?
A block of mass 2kg is pushed against a rough vertical wall with a force of 40N, coefficient of static friction being 0.5. Another horizontal force of 15N, is applied on the block in a direction parallel to the wall. Will the block move? If yes, in which direction? If no, find the frictional force exerted by the wall on the block.
Find the intensity at a point on a screen in Young’s double slit experiment where the interfering waves of equal intensity have a path difference of (i) $\lambda/4$, and (ii) $\lambda/3$.
Briefly explain the discovery of neutrons.
Two protons are brought nearer; what will be the effect on potential energy of system?
The volume charge density in the space between two conocentric spheres of radii $a$ and $b$ is $\rho=\frac{A}{r}$, where $A$ is a constant and $r$ is the distance. There is a point charge $Q$ at the centre of the sphere. Find the value of A such that there is a uniform electric field in the space between the spheres.
One person says that the potential energy of a particular book kept in an almirah is 20J and the other says it is 30J. Is one of them necessarily wrong?
When a capacitor is charged by a battery; is the energy stored in the capacitor same as energy supplied by the battery?