CBSE Class 11 Thermodynamics — practice questions
4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 Thermodynamics in the app →A gas absorbs $200$ J of heat and does $80$ J of work on its surroundings. The change in internal energy is:A pump compresses gas very fast, so no heat escapes. The process is:A Carnot engine works between $T_h = 400$ K and $T_c = 300$ K. Its efficiency is:A glass of cold lassi placed on a kitchen counter eventually warms to room temperature. The second law of ther