An ideal heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 kcal of heat per cycle at higher temperature. The amount of heat that is converted into useful work per cycle is

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

0.6 kcal

1.2 kcal

1.8 kcal

2.4 kcal

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

TH=500K η=Wout Qin TL=400K W=20100×6kcalη=1−TLTH=1−45 W=1.2kcal η=15(≈20%)

Watch 3-min video & get full concept clarity