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Concept Maps

Thermodynamics — Concept Maps

NIOS · Class 12 · Physics

4 concept maps of Thermodynamics for NIOS Class 12 Physics, each also written out as a text outline. Part of the NIOS Class 12 Physics syllabus.

44 questions30 flashcards17 formulas & key relations5 concepts

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A pressure-temperature (P-T) phase diagram for water, showing the solid, liquid, and gas regions, the triple point, and critical point.
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One of 7 illustrations for Thermodynamics in Super Tutor — alongside flashcards, concept maps and practice questions.

4 Concept Maps

Thermodynamics – Complete Chapter Mind Map

Thermodynamics – Complete Chapter Mind Map

The map in words

  • Thermodynamics
    • Heat and Temperature
      • Heat is energy in transit
      • 1 cal = 4.18 J
      • Temperature determines equilibrium
    • Thermodynamic Systems
      • Open System
      • Closed System
      • Isolated System
    • Zeroth Law
      • Thermal Equilibrium
      • Basis of Thermometry
      • Triple Point 273.16 K
    • Thermodynamic Processes
      • Isothermal T constant
        • ΔU = 0
        • ΔQ = ΔW
      • Adiabatic ΔQ = 0
        • ΔU = minus ΔW
        • Temperature changes
      • Isobaric P constant
        • W = PΔV
      • Isochoric V constant
        • W = 0
        • ΔQ = ΔU
      • Cyclic
        • ΔU = 0
        • ΔQ = ΔW
    • First Law
      • ΔQ = ΔU + ΔW
      • Energy Conservation
      • Limitations
        • No direction info
        • No extent of conversion
    • Second Law
      • Kelvin-Planck Statement
        • No 100% efficiency
      • Clausius Statement
        • No spontaneous cold to hot
    • Carnot Cycle
      • Isothermal Expansion AB
      • Adiabatic Expansion BC
      • Isothermal Compression CD
      • Adiabatic Compression DA
      • Efficiency = 1 minus T2 by T1
    • Phase Diagram
      • Fusion Curve
      • Vaporization Curve
      • Sublimation Curve
      • Triple Point

Solving a Numerical Problem — Systematic Approach

Solving a Numerical Problem — Systematic Approach

The map in words

  • Read the Question Carefully
    • Write GIVEN values with units
      • Write TO FIND what is asked
        • Select the Correct Formula
          • Check Sign Conventions
            • Work done BY system: ΔW is positive
              • Substitute values in formula
                • Perform Calculation step by step
                  • Write Answer with correct units
                    • Verify: Is the answer physically reasonable?
            • Work done ON system: ΔW is negative

Mind map showing the major branches and concepts covered in the Thermodynamics chapter

Mind map showing the major branches and concepts covered in the Thermodynamics chapter

The map in words

  • Thermodynamics
    • Laws
      • Zeroth Law
        • Temperature Concept
      • First Law
        • Internal Energy
        • Conservation of Energy
      • Second Law
        • Direction of Heat Flow
        • Entropy
    • Processes
      • Isothermal
      • Adiabatic
      • Isobaric
      • Isochoric
      • Cyclic
    • Key Devices
      • Heat Engine
      • Carnot Engine
      • Refrigerator
    • Key Concepts
      • Heat and Work
      • Indicator Diagram
      • Triple Point
      • Efficiency

Thermodynamics

Thermodynamics

The map in words

  • Thermodynamics
    • Heat and Temperature
    • Thermodynamic Systems
    • Thermodynamic Processes
    • Laws of Thermodynamics
    • Internal Energy
    • Indicator Diagram
    • Carnot Engine
    • Phase Diagram and Triple Point

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Frequently Asked Questions

What are the important topics in Thermodynamics for NIOS Class 12 Physics?
Key topics in Thermodynamics include Basic Concepts: Heat, Temperature, and Thermodynamic Systems, Thermodynamic Processes, Zeroth Law of Thermodynamics and Triple Point, Internal Energy and First Law of Thermodynamics. Study these first, then practise questions on each for the NIOS Class 12 board exam.
What do the concept maps for Thermodynamics show?
The 4 maps show how the ideas in Thermodynamics connect: Thermodynamics – Complete Chapter Mind Map; Solving a Numerical Problem — Systematic Approach. Each map is also written out as an outline on this page.
How should I revise Thermodynamics for the NIOS Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on Thermodynamics. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Thermodynamics

All NIOS Class 12 Physics Concept Maps

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