Three Carnot engines operate in series between a heat source at a temperature 
and a heat sink at temperature 
(see figure). There are two other reservoirs at temperature 
and 
, as shown, with 
The three engines are equally efficient if:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
JEE Main 2019
According to question, 
Three engines are equally efficient]
(i)
(ii)
and 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A gas can be taken from A to B via two different processes and .
When path is used of heat fl…
Two Carnot engines A and B are operated in series. The first one, A receives heat at and rejects t…
Half mole of an ideal monoatomic gas is heated at constant pressure of atm from to . Work done b…
A rigid diatomic ideal gas undergoes an adiabatic process at room temperature. The relation between…
Two rods A and B of identical dimensions are at temperature . If is heated upto and B upto then…
A thermometer graduated according to a linear scale reads a value when in contact with boiling wat…