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Q.

An ideal gas heat engine operates in a Carnot's cycle between 2270C and 1270C. It absorbs 6 x lO4 J at high temperature. The amount of heat converted into work is ....

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a

4.8 × 104 J

b

3.5 × 104 J

c

1.6 × 104 J

d

1.2 × 104 J

answer is D.

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Detailed Solution

η = 1-T2T1 = 1-400500 = 15    ∴ η = WQ⇒ 15 = WQ⇒W = Q5 = 65×104 = 1.2 ×104 J
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