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JEE Main Physics Class 11 Thermodynamics Part 2 Questions
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© examsnet.com
Question : 39
Total: 82
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : Efficiency of a reversible heat engine will be highest at
−
273
∘
C
temperature of cold reservoir.
Reason R : The efficiency of Carnot's engine depends not only on temperature of cold reservoir but it depends on the temperature of hot reservoir too and is given as
η
=
(
1
−
T
2
T
1
)
.
In the light of the above statements, choose the correct answer from the options given below :
[30-Jan-2023 Shift 2]
A
is true but
R
is false
Both
A
and
R
are true but
R
is NOT the correct explanation of
A
A
is false but
R
is true
Both
A
and
R
are true and
R
is the correct explanation of
A
Validate
Solution:
Both
A
and
R
are true and
R
is the correct explanation of A
© examsnet.com
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