Class 11 Physics Chapter 10 MCQs Thermodynamics | MCQs Unit 10 Physics Class 11 KPK Board

Class 11 Physics Chapter 10 MCQs Thermodynamics | MCQs Unit 10 Physics Class 11 KPK Board =====Animated Derivations Chapter 10 Thermodynamics ===== 1. 1st Law of Thermodynamics    • First Law of Thermodynamics | 1st Law of T...   2. Applicatons of 1st Law    • Applications of First Law of Thermodynamic...   3. Molar specific heat of a gas    • Molar Specific Heat of a Gas | Relation be...   4. Heat Engine    • Heat Engine | Class 11 Physics Chapter 10 ...   5. Carnot Engine/ Cycle    • Carnot Heat Engine | Carnot Cycle | Class ...   6. Refrigerator    • Refrigerator | Coefficient of Performance ...   7. Entropy    • Entropy | Disorder of a System | Class 11 ...   Choose the best possible answer 1. Assume we can change the equilibrium state of a system via two different processes. Assume that the initial and the final state are the same. Which of the quantities ΔU, ΔQ, ΔW, and ΔT must be the same for the two processes? A. only ΔQ and ΔW B. only ΔU and ΔT C. only ΔQ and ΔT D. only ΔU and ΔW 2. In any process the maximum amount of mechanical energy that can be converted to heat A. Depends upon the amount of friction B. Depends upon the intake & exhaust temperature C. Depends upon whether kinetic or potential energy is involved D. Is 100 % 3. In an isothermal change, internal energy A. Decreases B. Increases C. Becomes zero D. Remains constant 4. A thermos bottle containing hot coffee is vigorously shaken. Consider coffee as the system, then its temperature A. Increases B. Decreases below then 0oC C. Remains the same D. Decreases 5. Maximum work can be obtained in the process called A. Cyclic B. Isothermal C. Adiabatic D. Isochoric 6. A heat engine takes in 800J of heat at 1000K and exhausts 600J of heat at 400K. What is the actual efficiency of this engine? A. 25% B. 40% C. 50% D. 75% 7. If the temperature of the heat source is increased, the efficiency of a Carnot’s engine A. Increases B. Decreases C. Remains constant D. First increase & then constant 8. Triple point of water is A. 372.16oF B. 372.16K C. 273.16oF D. 273.16K 9. Areal gas can be approximated to an ideal gas at A. Low density B. High Pressure C. High density D. Low temperature 10. If the volume of the gas is to be increased by 4 times, then A. Temperature and pressure must be double B. At constant pressure the temperature must be increased four time C. At constant temperature the pressure must be increased by four times D. It cannot be increased 11. In which of the systems listed below is the entropy decreasing? A. A gas is cooled B. A plate is shattered C. And egg is scrambled D. A drop of dye diffuses in a cup of water 12. If the temperature of source and sink of a Carnot engine having efficiency η are each decreased by 100K, then the efficiency η' A. Remains constant B. become 1 C. increases D. decreases Class 11 11th Class 1st Year Physics Chapter 10 Thermodynamics Federal Board KPK Board MCQs Multiple Choice Questions Multiple Choice Questions Chapter 10 Multiple Choice Questions Physical Optics Multiple Choice Questions Class 11 All MCQs Khyber Pakhtunkhwa Textbook board Peshawar Balochistan Textbook board Quetta Animated Lecture Choose the Correct Option Guess Paper MCQs Physics 2024 11th class physics solved important mcqs chapter 11th class physics mcqs Chapter 10 11th class physics important mcqs Chapter 10 11 class physics solved important mcqs Chapter 10 physics important mcqs of class 11 Chapter 10 11 class physics mcqs Chapter 10 most important 11th class physics mcqs Chapter 10 physics important mcqs 11th class Chapter 10 Khyber Pakhtunkhwa Textbook board Peshawar Balochistan Textbook board Quetta physics mcqs for class 11 with answers pdf download Class 11 physics mcqs with answers pdf Class 11 physics mcqs with answers Class 11 physics mcqs pdf Class 11 physics mcqs online test Class 11 physics mcqs chapter 10 class 11 physics mcqs chapter wise Class 11 physics mcqs pdf download MCQs Unit 10 Physics Class 11 Unit 10 Physics MCQs Class 11 #Chapter10 #Thermodynamics #Physics #Chapter10MCQs #Class11 #MCQsChapter10 #MultipleChoiceQuestions #Class11PhysicMCQs #PhysicsMCQs #Unit10MCQs #PhysicsUnit10MCQs Note: This Channel is for Education Purpose Only.