A Carnot engine has efficiency 
. Efficiency becomes 
when the temperature of sink is decreased by 50 K. Temperature of the sink ( in K ) is
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(300)
The efficiency of the Carnot engine
or 
Also we can show that
where T L is temperature of sink and T H is the temperature of hot reservoir.
According to question
...(i)
...(ii)
From Eq. (i)
Substituting value of th in Eq. (ii), we get
or 
or 
or 
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