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Thermal Physics

Scorching goIITian

Joined:	1 Nov 2007
Post:	218

26 Jan 2008 19:22:21 IST

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277

Thermodymics

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Q.A carnot's reversible engine converts 1/6 of heat input into work when the temperature of sink is reduced by 62K,efficiency becomes 1/3.The temperature of source and sink are?

1.372K,310K

2.273K,OK

3.172K,110K

4.OK,100K

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abhishek sinha

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Joined: 18 Dec 2007

Posts: 926

26 Jan 2008 19:25:45 IST

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simple ,

= 1 - T ( sink ) / T ( source )

Now solve the simultaneous eqn

Ans option 1

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