JEE Advanced · PhysicsHard
A Carnot engine operates between reservoirs at and . If the engine performs of work per cycle, what is the heat rejected to the cold reservoir?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: B —
Solution
- Efficiency .
- Work and .
- , so .
- .
- Hence the answer is (B).
Attempt this question & track your score
Sign up free to answer, get instant scoring, and let SolveGini track which Physics topics you need to revise.
Attempt & Track Free →More Thermodynamics practice questions
- Which of the following thermodynamic variables is a state function?
- For an adiabatic process, which of the following relations is correct?
- The first law of thermodynamics is a statement of the law of conservation of:
- What is the change in internal energy of an ideal gas during an isothermal process?
- If a system undergoes a process where the volume remains constant, the work done by the system is:
- An ideal gas undergoes a process where its pressure P is proportional to its volume V. If the gas expands from volume V0
- A Carnot engine operates between temperatures 600 K and 300 K. If it absorbs 1000 J of heat from the source, what is the
- Two moles of an ideal monoatomic gas are heated at constant volume from 300 K to 400 K. What is the change in internal e
- An ideal gas has a molar heat capacity at constant pressure of 2.5 R. What is the atomicity of the gas?
- During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature.
- A monatomic ideal gas undergoes a process where its pressure P is related to its volume V by the equation P = P0 exp(alp
- A thermally insulated container is divided into two compartments by a movable piston. One side contains n moles of an id