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Byju's Answer
Standard XII
Physics
Heat Engines
A carnot engi...
Question
A carnot engine has same efficiency between (i)1000K and 500K and (ii) T K and 900 K. The value of T
A
90
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B
1800
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C
270
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D
360
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Solution
The correct option is
C
1800
Efficiency of the carnot engine
(
η
)
=
W
Q
h
=
1
−
T
c
T
h
∴
1
−
T
c
1
T
h
1
=
1
−
T
c
2
T
h
2
500
1000
=
900
T
T
=
900
×
2
=
1800
K
Hence, option B is correct.
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