Thermodynamics

Thermal Physics

In the thermal physics chapters, you’ll learn the meaning of temperature and heat along with the kinds of physical phenomena applied to them. Also, you will know about the fundamentals of statistical and thermal physics. The Study of Heat and Temperature The study of thermal physics involves the analysis of temperature and heat. It is […]

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

Thermal Expansion of Gasses

Thermal expansion is a phenomenon that all states of matter (solids, liquids & gases) undergo when subjected to increased temperature. It refers to an object’s tendency to expand or contract in length, density, area or volume as a result of heat. On getting heat energy, the potential energy stored inside atoms gets converted into kinetic

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

THERMAL EQUILIBRIUM

We use the term equilibrium when the temperature of the two systems is equal For thermodynamics equilibrium, the system should be in Mechanical, Thermal and Chemical Equilibrium If the temperature within the system is unformed and temporally stable, the system is said to be in thermal equilibrium The system is said to be in thermal

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

The second law of thermodynamics

Introduction Thermodynamics is a branch of physics  that explains the relationship between heat, work, temperature, and energy.  The main principle of thermodynamics is that heat is a form of energy that can be utilized to get a definite amount of mechanical work done. A thermodynamic setup has mainly 3 things: 1.System: A system is defined

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

Specific heats (Cv and Cp for monoatomic and diatomic gases)

Introduction Specific heat is a principle that very few people discuss or are aware of when discussing the thermal characteristics of matter. The specific heat concept is used to determine how much heat is required to raise an object’s temperature by one degree in celsius and kelvin. Specific heat is described as the quantity of

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

Specific heat of a liquid using calorimeter

To determine the temperature or specific heat of a certain liquid, we can measure the mass of the hot liquid in a calorimeter (whose heat capacity is known), and measure the decrease in the temperature of the liquid and the rise in temperature of the calorimeter, and hence decreases the specific heat capacity of the

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

Slabs in Series

Transfer of energy is one of the most observed phenomena in the world. Because energy can neither be created nor destroyed, it changes from one form to another. Heat is a type of energy that we all have observed in our day-to-day lives. It is also the primary type of energy that people learn to

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

RTD and Thermocouple

RTDs and Thermocouples – An Introduction to Thermocouples: An Overview The thermocouple is one of the most basic sensors available. It is made up of two dissimilar metal wires that are connected near the measurement point. RTD and thermocouple  Metals’ electrical resistance increases as heat increases and the metals become hotter, whereas it reduces as

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

Plotting Cooling Curve

The hot tea kept open gets cold, but the temperature of the cold drink held in the open surrounding gets normal. Why does it happen? Why didn’t cold drinks become colder or tea become hotter? The answer to these questions lies in Newton’s law of cooling, which states that the cooling rate is proportional to

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics

Plotting a cooling curve (relationship between the temperature of a hot body and time)

Introduction: The cooling curve of a substance is obtained when a graph is drawn against the change of temperature and the time when the substance is allowed to cool. To understand the cooling curve, we need to understand important terms: Heat: It is a form of energy that is transferred between objects or systems, that

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Class 11, Heat transfer (conduction, convection, and radiation), IIT JEE, Physics, Thermodynamics