NEET Physics Thermodynamics Questions Solved


An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 × 104 cal of heat at higher temperature. Amount of heat converted to work is -

(1) 2.4 × 104 cal

(2) 6 × 104 cal

(3) 1.2 × 104 cal

(4) 4.8 × 104 cal

(3) η=T1T2T1=WQW=Q(T1T2)T1

=6×104[(227+273)(273+127)](227+273)

=6×104×100500=1.2×104cal

Difficulty Level:

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  • 48%
  • 10%
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