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Q.

A Carnot engine working between 300 K and 600 K has a work output of 800 J per cycle. The amount of heat energy supplied to the engine from the source in each cycle is

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a

800 J

b

1600 J

c

3200 J

d

6400 J

answer is B.

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Detailed Solution

η=1−T2T1=1−Q2Q1∴ T2T1=Q2Q1 or Q1=Q2T1/T2∴ Q1=800×600300=1600J
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