ThermodynamicsHard
Question
A Carnot engine, having an efficiency of η = 1/10 as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is
Options
A.99 J
B.90 J
C.1 J
D.100 J
More Thermodynamics Questions
Three objects colored black, gray and white can withstand hostile conditions upto2800oC. These objects are thrown into a...The figure shows the P-V plot of an ideal gas taken through a cycle ABCDA. The part ABC is a semi-circle and CDA is half...A Carnot engine works between temperature 727oC and 27oC. The efficiency of the engine is :...One mole of diatomic ideal gas undergoes a cyclic process ABC as shown in figure. The process BC is adiabatic. The tempe...Starting with the same initial conditions, an ideal gas expand from volume V1 to V2 in three different ways, the work do...

