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Last updated date: 15th Sep 2024
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## Score High in JEE Main 2025: Thermodynamics Notes With Important Topics

Vedantu is providing JEE Main Thermodynamics Notes with Important Topics to score high in JEE Main 2025. Expert Vedantu master Teachers prepare these JEE Main Notes to empower your journey toward success. You can easily download the FREE PDF of these Notes from Vedantu’s website. The main features of JEE Main notes are simplified concepts and compact notes on important topics and theories.

 Category: JEE Main Revision Notes Content-Type: Text, Images, Videos and PDF Exam: JEE Main Chapter Name: Thermodynamics Academic Session: 2025 Medium: English Medium Subject: Physics Available Material: Chapter-wise Notes with PDF

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 Sl. No. Year Average No. of Questions Asked Marks per Question Total Marks 2023 2 4 8 2022 3 4 12 2021 2 3 6 2020 2 4 8 2019 1 4 4

Competitive Exams after 12th Science

## Important Topics from Thermodynamics JEE Main 2025

Below are some important topics students must consider while studying the Thermodynamics chapter. These topics are picked from the previous year’s JEE Main exams. Hence, before downloading the Revision notes, 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

## How Thermodynamics Can Shape Your JEE Main 2025 Journey?

### 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!

## Formula-Memory Connection: Strengthening Knowledge with Revision Notes

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

Below are some of the important formulas of Thermodynamics:

 Sl.No Thermodynamics Formula 1. First Law of Thermodynamics: $\Delta U = Q - W$ 2. Work Done in an Isothermal Process (for an ideal gas) $W = -nRT \ln\left(\frac{V_f}{V_i}\right)$ 3. Work Done in an Adiabatic Process (for an ideal gas) $W = \frac{nC_v}{\gamma-1} \left(T_i - T_f\right)$ 4. Heat Transfer in an Isothermal Process (for an ideal gas) $Q = W = nRT \ln\left(\frac{V_f}{V_i}\right)$ 5. Heat Transfer in an Adiabatic Process (for an ideal gas) $Q = nC_v(T_f - T_i)$ 6. Entropy Change in a Reversible Process $\Delta S = \frac{Q}{T}$ 7. Entropy Change for an Ideal Gas in an Isothermal Process $\Delta S = nR \ln\left(\frac{V_f}{V_i}\right)$ 8. Entropy Change for an Ideal Gas in an Adiabatic Process $\Delta S = 0$ 9. Carnot Efficiency $\eta_{\text{Carnot}} = 1 - \frac{T_c}{T_h}$ 10. Relation between Celsius and Kelvin Scales $T(K) = T(°C) + 273.15$

Check out our JEE Main Physics formula pages and begin your journey to prepare for JEE Main now!

## Other Important Links for JEE Main 2025 Thermodynamics

Discover the links of extra resources beyond JEE Main 2025 Thermodynamics notes. 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:

 Other Important Links for JEE Main 2025 JEE Main Thermodynamics Practice Papers 2025 JEE Main Thermodynamics Important Questions

## Enhance Your Results with Vedantu’s JEE Main Notes

As you work hard to do well in JEE Main 2025, think of Thermodynamics Notes as your helpful friend. They simplify hard things, show what's important, and let you practice, which improves your study. Vedantu's JEE Main Notes help you, and you'll understand things, solve problems without fear, and do well in the exam. Get the Thermodynamics Revision Notes for FREE to get better and succeed in JEE Main 2025.

1. What is the Thermodynamics in the context of JEE Main 2025?

In the context of JEE Main, thermodynamics is a branch of physics that deals with the relationships between heat, work, temperature, energy, and other properties of matter and energy. It includes concepts such as the laws of thermodynamics, heat engines, entropy, and thermodynamic processes. Topics related to thermodynamics often appear in the Physics section of the JEE Main exam, and students are expected to have a strong understanding of these principles to answer related questions accurately.

2. How can I apply Thermodynamics to solve JEE Main problems?

To solve JEE Main problems involving Thermodynamics, first, understand key concepts like heat transfer, work, and laws of thermodynamics. Practice various problem types, focusing on understanding given information and applying relevant formulas. Break down complex problems into smaller steps, and practice time management to solve problems efficiently during the exam.

3. What are some strategies to effectively use Thermodynamics notes for JEE Main 2025 preparation?

Strategies to effectively use Thermodynamics notes for JEE Main 2025 preparation are:

• Regularly review your notes to reinforce concepts.

• Practice solving various types of problems to build problem-solving skills.

• Focus on understanding the applications and implications of each law.

• RelateTheoretical concepts to real-world scenarios mentioned in your notes.

4. Which are the important topics of Thermodynamics Notes for JEE Main 2025?

The important topics covered in the Thermodynamics Notes for JEE Main 2025 include:

• Basic Concepts and Definitions

• Work, Heat, and Energy

• Processes and Cycles

• Entropy and Second Law of Thermodynamics

• Thermodynamic Equations and Relations

• Free Energy and Thermodynamic Potentials

• Applications and Heat Engines

• Mixtures and Phase Transitions

• Specific Heats and Calorimetry

5. Which is the easiest topic of JEE Main 2025 Thermodynamics Notes?

The topic 'Basic Concepts of Thermodynamics' is often considered one of the easiest in JEE Main 2025 Thermodynamics Notes. It introduces fundamental concepts such as heat, work, internal energy, and the first law of thermodynamics, providing a solid foundation for more complex thermodynamic principles.

6. Where can I find additional resources to supplement JEE Main 2025 Thermodynamics Notes?

You can discover supplementary resources to enhance JEE Main 2025 Thermodynamics preparation through Vedantu’s website. These resources offer practice papers, video lectures, interactive quizzes, and discussions that complement your JEE Main notes, enriching your understanding and exam readiness.

7. What is the weightage of Thermodynamics Notes for JEE Main 2025?

The weightage of the Thermodynamics chapter in JEE Main 2025 is around 10-12%. This means that there are typically 2-3 questions asked from this chapter.

8. How much time is required to prepared for JEE Main 2025 Thermodynamics Notes?

The time required to prepare for JEE Main 2025 Thermodynamics Notes varies based on your familiarity with the concepts, study habits, and practice efforts. On average, a few weeks of consistent study, including active reading, problem-solving, and revision, should provide a solid foundation. However, it's essential to tailor your study plan to your learning pace and commit sufficient time for comprehensive understanding and practice.