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Physics Thermodynamics JEE Main Important Questions with Solutions 2025

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Score High in JEE Main 2025: Thermodynamics Important Questions With Solutions PDF

Vedantu offers a valuable resource with its precisely selected JEE Main Thermodynamics Important Questions by Vedantu's Master Teachers. They stay well-informed about current trends, ensuring that questions align closely with the JEE Main Exam Syllabus. Thermodynamics important questions for JEE Main come in various formats, including multiple-choice questions (MCQs) and Integer Questions, allowing students to assess their proficiency across different levels. With comprehensive solutions and explanations, the JEE Main Physics Important Questions of Thermodynamics PDF helps students grasp the correct approaches and techniques. Furthermore, the PDF incorporates Previous Year Questions from JEE Main Exams, offering students enough questions to solve and excel in the upcoming exam. The best part? These resources are completely free and easily accessible in PDF format for direct download from our website.

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Table of Content
1. Important Formulas on Thermodynamics for JEE Main 2025
2. Other Important Links for JEE Main 2025 Thermodynamics Important Questions
3. JEE Mains PYQ Chapterwise: Mastering Thermodynamics with Past Papers
4. JEE Main Physics Important Questions: Chapter-wise links 2025
5. Download Subject-wise Important Questions for JEE Main 
6. Important Study Materials Links for JEE Exams 2025
FAQs


Year Wise Weightage of Thermodynamics Questions in JEE Main

The Thermodynamics chapter covers the concept of conservation of energy, often expressed through the First Law of Thermodynamics. This is a crucial chapter for JEE Main Exams, and you can expect at least 2 questions from it. Check out how many questions were asked from the Thermodynamics chapter in the last five years of JEE Main exams.


Year Wise Weightage of Questions: JEE Main Thermodynamics

S.No.

Year

Average No. of Questions Asked

Marks per Question

Total Marks

1.

2024

2

4

8

2.

2023

2

4

8

3.

2022

3

4

12

4.

2021

2

3

6

5.

2020

2

4

8



Take the chance to elevate your preparation with our Thermodynamics Important Questions. It covers the whole JEE Main Physics syllabus, and you can download it for FREE.

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Important Topics from Thermodynamics JEE Main 2025

Below are some important topics students must consider while practising the Important Questions from JEE Main Thermodynamics chapter. These topics are picked from the previous year’s JEE Main exams. Hence, before downloading the JEE Main Important Questions for thermodynamics, you can go through the list of important topics in this chapter:


  • Laws of Thermodynamics

  • Thermodynamic Processes

  • Thermodynamic Equilibrium

  • Properties of Substances

  • Entropy and Entropy Changes

  • Thermodynamic Cycles and Engines

  • Heat Transfer

  • Applications and Engineering

  • Statistical Thermodynamics

  • Thermodynamic Potentials


Formula-Memory Connection: Strengthening Knowledge with JEE Main Thermodynamics Important Questions PDF

Equations are more than just symbols –They're your secret code to solve problems in Physics. When you understand Thermodynamics formulas, you can easily handle tricky ideas and feel more sure of yourself.  Use the equation with JEE Main Thermodynamics Important Questions to improve studying. Check out our JEE Main Physics formula pages and begin your journey to prepare for JEE Main now!


Important Formulas on Thermodynamics for JEE Main 2025

Here are some important formulas on Thermodynamics for JEE Main:


Thermodynamics

Formula

First Law of Thermodynamics

ΔU = Q + W

Q = mcΔT (for constant pressure)

W = -PΔV (for constant temperature)

Second Law of Thermodynamics

ΔS ≥ 0

ΔS = Q/T (for reversible processes)

Ideal Gas Law

PV = nRT

R = 8314 J/mol⋅K

Thermodynamic Processes

Adiabatic process: Q = 0

Isobaric process: P = constant

Isochoric process: V = constant

Isothermal process: T = constant

Specific Heats

cv = specific heat at constant volume

cp = specific heat at constant pressure

γ = cp/cv

Enthalpy

H = U + PV

ΔH = Q (isobaric process)

Entropy

S = k ln Ω

Ω = number of microstates

Carnot Cycle

η = 1 - Tc/Th

Clausius-Clapeyron Equation

dP/dT = ΔHvap/(T⋅ΔVvap)

Stefan-Boltzmann Law

P = σ

T

4

T4

Wien's Displacement Law

λmax = b/T


These are just a few of the important formulas on Thermodynamics for JEE Main. It is important to practice using these formulas to solve problems so that you can use them confidently in the exam.


How Does the Thermodynamics Chapter Can Shape Your JEE Main 2025 Journey?

The Thermodynamics Chapter is the building block of physics, and for JEE Main aspirants, mastering these concepts is like unlocking the key to solving JEE Main Important Questions. This chapter unravels the fundamental concepts of energy transfer, entropy, heat, and work, offering insights into how energy and matter interact in various processes. Here, we will elucidate how proficiency in this chapter can significantly enhance your ability to conquer JEE Main's Important Questions.


Introduction to Thermodynamics:

  • Imagine a world where heat flows, energy transforms, and systems respond to changes. Welcome to the realm of Thermodynamics!

  • Thermodynamics is all about understanding how heat and energy interact with matter. It's like deciphering the secret language of the universe's energy dance.


Key Concepts Unveiled:

  • Discover two fundamental laws: The First Law of Thermodynamics (energy conservation) and The Second Law (entropy and energy direction).

  • These laws are like the golden rules of energy, revealing how it's never lost but rather transformed or transferred.


Energy Transformations in Action:

  • Witness the magic of engines, refrigerators, and everyday appliances. Thermodynamics explains how they work and why they sometimes feel like wizards.

  • Ever wonder why your ice cream melts on a hot day? Thermodynamics has the answer!


Temperature and Heat Flow:

  • Delve into the science of temperature, heat, and their sneaky ways of moving from hot to cold. Learn about conductors, insulators, and the reasons behind your toasty blanket.


Entropy: The Tale of Disorder:

  • Entropy might sound mysterious, but it's the concept of disorder. From a tidy room to a messy one, entropy plays a part in everything.

  • Explore why things naturally tend towards chaos and how energy decisions drive this process.


Thermodynamics and the Real World:

  • See how thermodynamics has a real impact on our environment, from the engines that drive cars to the intricate cycles of Earth's climate.

  • Learn how engineers use thermodynamics to design energy-efficient systems and sustainable technologies.


Interactive Explorations:

  • Engage in fun experiments and interactive simulations that let you play with heat, energy, and their transformations.

  • Experience virtual scenarios where you control heat flow, predict temperature changes, and observe energy dynamics firsthand.


Thermodynamics and JEE Main:

  • Beyond fascinating, thermodynamics is vital for JEE Main. It's an integral part of the syllabus, so understanding its principles can turbocharge your exam preparations.


Unlock the door to a world where heat dances and energy rules. Thermodynamics is not just about equations; it's about understanding the symphony of energy that governs our universe. Prepare to be awed by the insights you'll gain as you venture into the captivating realm of Thermodynamics!


Benefits of learning Thermodynamics for JEE Mains with Vedantu’s Important Questions 

  • This chapter in thermodynamics covers vital topics like heat, energy, and work, helping you understand the core ideas needed for JEE Mains.

  • Vedantu's important questions focus on the types of problems you’re likely to face in JEE Mains, making you well-prepared for the exam.

  • Each question comes with clear, detailed answers, making it easier to grasp difficult ideas and avoid mistakes.

  • These questions serve as a fast way to review key thermodynamics topics, ensuring you don’t miss any important points before the exam.

  • With Vedantu’s questions, you’ll solve problems similar to those in JEE, which builds problem-solving skills specific to thermodynamics.

  • The questions are available in a FREE PDF, so you can download and study them anytime, anywhere, giving you flexibility in your preparation.


Other Important Links for JEE Main 2025 Thermodynamics Important Questions

Discover the links of extra resources beyond Thermodynamics Important Questions for JEE Main. Check out other important links that open doors to learning, practice papers, mock tests, and insights. Boost your readiness, conquer challenges, and embrace success by using these resources made just for JEE Main 2025.


Here are the links for the additional resources of JEE Main 2025:


S.No.

Other Important Links For JEE Main 2025

1.

JEE Main Thermodynamics Practice Papers 2025

2.

JEE Main Thermodynamics Mock Test 2025

3.

JEE Main Thermodynamics Revision Notes



JEE Mains PYQ Chapterwise: Mastering Thermodynamics with Past Papers

Conquering JEE Mains requires unwavering dedication and strategic preparation. One invaluable tool in your arsenal is the treasure trove of previous year's question papers (PYQs). But navigating those years of questions can be overwhelming, especially for a crucial chapter like Thermodynamics. Enter JEE Mains PYQ Chapterwise: your key to targeted practice and exam mastery in this foundational subject.


By looking into JEE Main Chapter-wise PYQs for Thermodynamics, you gain laser-sharp focus on specific topics within this crucial domain. Imagine tackling your weakest areas, with a targeted set of past questions, building confidence and competence one problem at a time.


Whether you prefer the convenience of a JEE Mains Previous Year Questions Chapter Wise for Thermodynamics with PDF download or prefer working directly from online resources, the benefits are undeniable. You'll hone your problem-solving skills, learn to apply theoretical knowledge to real-world scenarios involving Thermodynamics and develop the exam temperament needed to excel under pressure, especially when faced with Thermodynamics questions. Remember, these questions are like blueprints for future JEE Mains papers – studying them is like peeking into the exam itself!


So, unleash the power of JEE Main PYQ Chapterwise for Thermodynamics. Download your chosen resources, pick your weakest topic within this chapter, and start practising. Each solved question is a step closer to your JEE Mains dream. Remember, consistency is key! Make chapterwise PYQs for Thermodynamics a daily ritual, and watch your confidence and competence soar as you approach the exam with a laser-sharp focus and a wealth of knowledge at your fingertips, ready to conquer even the most challenging topics in Thermodynamics.


JEE Main Physics Important Questions: Chapter-wise links 2025

Download for Free and Learn JEE Main Physics Chapter-wise Important Questions. Get the links from the table below:




Download Subject-wise Important Questions for JEE Main 

Get the links to download the subject-wise JEE Main Important Questions with Solutions PDF for FREE from the table below.


S.No

Subject

Important Questions PDF

1

Chemistry

JEE Main Chemistry Important Questions

2

Maths

JEE Main Maths Important Questions



Important Study Materials Links for JEE Exams 2025

FAQs on Physics Thermodynamics JEE Main Important Questions with Solutions 2025

1. Can I find Thermodynamics JEE Main Important Questions specifically on calculating internal energy and entropy changes?

Certainly, these questions often cover calculations of internal energy and entropy changes for various processes.

2. Are there Thermodynamics Important Questions for JEE Main that involve the concept of thermodynamic cycles and efficiency?

Yes, you can find questions related to thermodynamic cycles, efficiency, and their applications in various systems.

3. Do Thermodynamics Important Questions address the concept of specific heat, phase transitions, and calorimetry?

Absolutely, questions related to specific heat, phase transitions, and calorimetry are part of this set.

4. Can I find JEE Main Thermodynamics Important Questions involving the analysis of heat transfer mechanisms and thermodynamic equilibrium?

Indeed, questions related to analysing heat transfer mechanisms and achieving thermodynamic equilibrium are included in this set.

5. How do JEE Main Thermodynamics Important Questions help in understanding the relationship between heat, work, and energy transfer in thermodynamic processes?

JEE Main Thermodynamics Important Questions illustrate the relationship between heat, work, and energy transfer in practical scenarios, enhancing your understanding of these concepts.

6. Are there Thermodynamics Important Questions for JEE Main that involve complex systems like heat exchangers, refrigeration, and power cycles?

Yes, JEE Main Thermodynamics Important Questions often challenge you with complex systems involving heat exchangers, refrigeration cycles, and power cycles.

7. How should I incorporate Thermodynamics Important Questions into my JEE Main 2025 preparation?

Integrate JEE Main Thermodynamics Important Questions into your study routine, focusing on specific Thermodynamics topics, and review solutions to enhance your understanding and problem-solving skills in this chapter.

8. What are the types of thermodynamics JEE Mains questions I should practice?

ou should practice questions on energy changes, heat transfer, and work done in various thermodynamic processes. Vedantu's questions focus on these key topics.

9. How can thermodynamics JEE Mains questions in physics improve my score?

Practising these questions sharpens your understanding of energy interactions in physics, which helps you approach JEE Main questions with greater accuracy.

10. Are there thermodynamics physics JEE Mains questions that focus on the First Law of Thermodynamics?

Yes, Vedantu’s thermodynamics questions for JEE Mains include problems based on the First Law, which involves understanding the conservation of energy in systems.

11. Does Vedantu provide thermodynamics class 11 physics JEE Mains questions that cover both theory and practical applications?

Absolutely, you’ll find questions that test both theoretical understanding and practical problem-solving in Class 11 thermodynamics topics.

12. Can I access the thermodynamics JEE Mains questions physics PDF for offline practice?

Yes, Vedantu offers a FREE PDF of thermodynamics JEE Mains questions that you can download and access anytime for convenient offline practice.

13. What should I focus on in thermodynamics physics JEE Mains questions to improve my analytical skills?

Focus on understanding energy transformations, heat-work relations, and problem-solving with these concepts. Vedantu’s questions are crafted to develop these analytical skills.

14. Are Vedantu’s thermodynamics class 11 physics JEE Mains questions suitable for quick revision before the exam?

Yes, these questions cover essential thermodynamics concepts, making them ideal for a quick and thorough review before JEE Mains.

15. How can solving thermodynamics JEE Mains questions physics from Vedantu benefit my overall physics preparation?

By covering thermodynamics topics, you’ll gain a deeper understanding of heat and energy interactions, which is beneficial for other physics topics as well.

16. Does Vedantu include JEE Mains thermodynamics questions that require derivation of key formulas?

Yes, certain questions challenge you to derive and apply key thermodynamic formulas, reinforcing your understanding of fundamental physics concepts.

17. What is the importance of JEE mains thermodynamics questions in understanding real-world applications?

Thermodynamics questions provide insight into real-world applications like engines and refrigerators, helping you relate theory to practical scenarios.

18. Do Vedantu’s thermodynamics JEE Mains questions in physics PDF cover problem-solving techniques?

Yes, these PDFs include various problem-solving approaches for thermodynamics, helping you tackle complex questions in JEE Mains effectively.

19. Are there any Vedantu thermodynamics physics JEE Mains questions that involve critical thinking?

Certainly, Vedantu’s thermodynamics questions encourage critical thinking by presenting challenging problems that require in-depth understanding.

20. How are Vedantu’s thermodynamics class 11 physics JEE Mains questions structured to cover the syllabus thoroughly?

The questions are designed to cover every key topic in Class 11 thermodynamics, ensuring you grasp the full range of concepts needed for JEE Mains.