MCQ
A cyclic process is shown in figure. Work done during isobaric expansion is ...... $J$
  • A
    $150$
  • B
    $100$
  • $400$
  • D
    $200$

Answer

Correct option: C.
$400$
c
$W = 2\times10^2\, (2) = 400\, J$

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

A simple pendulum of length $1\,m$ is allowed to oscillate with amplitude $2^o$. It collides elastically with a wall inclined at $1^o$ to the vertical. Its time period will be : (use $g = \pi ^2$ )
An iron sphere of mass 10kg has the same diameter as an aluminium sphere of mass is 3.5kg. Both spheres are dropped simultaneously from a tower. When they are 10m above the ground, the have the same:
A charge Q is uniformly distributed over a large plastic plate. The electric field at a point P close to the centre of the plate is 10Vm-1. If the plastic plate is replaced by a copper plate of the same geometrical dimensions and carrying the same charge Q, the electric field at the point P will become:
  1. Zero
  2. 5Vm-1
  3. 10Vm-1
  4. 20Vm-1
In an experiment with sonometer a tuning fork of frequency $256 Hz$ resonates with a length of $25 cm$ and another tuning fork resonates with a length of $16 cm$. Tension of the string remaining constant the frequency of the second tuning fork is ....  $Hz$
A player caught a cricket ball of mass $150\ g$ moving at a rate of $20\ m/s$.If the catching process is completed in $0.1\ s $, the force of the blow exerted by the ball on the hand of the player is equal to  .......... $N$
In the figure shown, $A$ & $B$ are free to move. All the surfaces are smooth. then $(0 < \theta < 90^o)$
Three perfect gases at absolute temperatures $T_1 , T_2$ and $T_3$ are mixed. The masses of molecules are $m_1 , m_2$ and $m_3$ and the number of molecules are $n_1, n_2$ and $n_3$ respectively. Assuming no loss of energy, the final temperature of the mixture is
Which of the following statements are true for wave motion:
  1. Mechanical transverse waves can propagate through all mediums.
  2. Longitudinal waves can propagate through solids only.
  3. Mechanical transverse waves can propagate through solids only.
  4. Longitudinal waves can propagate through vacuum.
An object is thrown vertically upwards. At its maximum height, which of the following quantity becomes zero?
Which of the following systems of units is not based on units of mass, length and time alone?