MCQ
In a cyclic process, work done by the system is
  • A
    Zero
  • Equal to heat given to the system
  • C
    More than the heat given to system
  • D
    Independent of heat given to the system

Answer

Correct option: B.
Equal to heat given to the system
b
(b) For cyclic forces $\Delta U = 0$ So, $\Delta Q = \Delta W$

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

If the velocity $v$ of a particle moving along a straight line decreases linearly with its displacement $s$ from $20\,ms ^{-1}$ to a value approaching zero at $s=30\,m$, then acceleration of the particle at $s=15\,m$ is $........$
In a simple harmonic motion:
  1. The maximum potential energy equals the maximum kinetic energy.
  2. The minimum potential energy equals the minimum kinetic energy.
  3. The minimum potential energy equals the maximum kinetic energy.
  4. The maximum potential energy equals the minimum kinetic energy.
If the phase difference between the two wave is 2$\pi $ during superposition, then the resultant amplitude is
Three photons coming from excited atomic-hydrogen sample are picked up. Their energies are 12.1eV, 10.2 eV and 1.9eV. These photons must come from:
  1. A single atom.
  2. Two atoms.
  3. Three atoms.
  4. Either two atoms or three atoms.
The time period of a satellite revolving around earth in a given orbit is $7 \,hours$. If the radius of orbit is increased to three times its previous value, then approximate new time period of the satellite will be ...... $hours$
The displacement due to a wave moving in the positive $x-$direction is given by $y = \frac{1}{{(1 + {x^2})}}$ at time $t = 0$ and by $y = \frac{1}{{[1 + {{(x - 1)}^2}]}}$ at $t = 2$ seconds, where $x$ and $y$ are in metres. The velocity of the wave in $m/s$ is
A particle is acted upon by a force $F$ which varies with position $x$ as shown in figure. If the particle at $x = 0$ has kinetic energy of $25\,J$ , then the kinetic energy of the particle at $x = 16\,m$ is .............. $\mathrm{J}$
In the formula x = 3 yz2, x and z have dimensions of capacitance and magnetic induction, respectively. The dimensions of y in MKS system are:
The path of projectile is
An incompressible liquid flows through a horizontal tube as shown in the figure. Then, the velocity $v$ of the fluid is ......... $m/s$