A Carnot engine operating between two reservoirs has efficiency . When the temperature of cold reservoir raised by
, its efficiency decreases to
. The value of
, if the temperature of hot reservoir is
, will be :
66 K
62 K
33 K
16.5 K
Given
When i.e., temp. of cold reservior
Temp. of hot reservior
As we know,
From equqation (1)
By putting the value of in equation (2)
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