Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Heat and Thermodynamics question

2013 · Q158
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Heat and Thermodynamics
  5. /2013 · Q158

Heat and Thermodynamics question

2013 · Q158

NEETPhysicsHeat and ThermodynamicsMCQ+4 / −1
A gas is taken through the cycle
A →\to→ B →\to→ C →\to→ A, as shown. what is the net work done by the gas?

NEET 2013 Physics - Heat and Thermodynamics Question 63 English
  1. A
    Zero
  2. B
    −-− 2000 J
  3. C
    2000 J
  4. D
    1000 J
View written solutionFree

Correct answer: D

Wnet = Area of triangle ABC

=12AC×BC = {1 \over 2}AC \times BC=21​AC×BC

=12×5×10−3×4×105=1000 J = {1 \over 2} \times 5 \times {10^{ - 3}} \times 4 \times {10^5} = 1000\,J=21​×5×10−3×4×105=1000J

PreviousNext

More from Heat and Thermodynamics

  • An ideal gas goes from state A to state B via three different processes as indicated in the P-V diagram. If Q1, Q2, Q3 indicate the heat absorbed by the gas along the three processes and ΔU1, ΔU2, ΔU3 indicate the… Includes diagram2012 · MCQ
  • One mole of an ideal gas goes from an initial state A to final state B via two processes : It first undergoes isothermal expansion from volume V to 3V and then its volume is reduced from 3V to V at constant pressure. The correct P-V…2012 · MCQ
  • A thermodynamic system is taken through the cycle ABCD as shown in figure. Heat rejected by the gas during the cycle is Includes diagram2012 · MCQ
  • A mass of diatomic gas (γ=1.4) at a pressure of 2 atmospheres is compressed adiabatically so that its temperature rises from 27oC to 927oC. The pressure of the gas in the final state is2011 · MCQ
  • During an isothermal expansion, a confined ideal gas does − 150 J of work against its surroundings. This implies that2011 · MCQ
  • When 1 kg of ice at 0oC melts to water at 0oC, the resulting change in its entropy, taking latent heat of ice to be 80 cal/oC, is2011 · MCQ
  • A monatomic gas at pressure P1 and volume V1 is compressed adiabatically to 81​th of its original volume. What is the final pressure of the gas?2010 · MCQ
  • If cp and cv denote the specific heats (per unit mass of an ideal gas of molecular weight M, then2010 · MCQ