Internal Energy

Internal EnergyIntroduction : The total energy of the system is given by sum of its kinetic and potential energy, which exist due to motion and shape of the body. There exist an energy which is due to random motion of atoms and molecules of the system called as internal energy...

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Thermal Equilibrium

Thermal EquilibriumIntroduction: We have seen that if some cube of ice is kept at room temperature, the heat get transfers from surrounding into the ice cube. The temperature of the ice increases and at certain instant of time the temperature becomes equal to room temperature...

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Thermodynamics

ThermodynamicsIntroduction : In our daily life we have seen that after rubbing our hands, heat is developed in the hand which signifies that work has been converted into heat energy. Thus thermodynamics deals with work and heat. on the other hand the steam locomotive engine...

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Magnetization and Magnetic Field

Magnetization and Magnetic FieldIntroduction :In previous topic we have studied about orbital magnetic dipole moment  and the net magnetic dipole moment leads to magnetic property in a substances. Let us focus on new term magnetization which is related to magnetic property...

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Magnetic Dipole moment of a revolving ElectronIntroduction : We have already studied that the revolving electron in a nucleus is similar to current flowing through a circular loop. This revolution of electron leads to orbital magnetic moment and thus gives rise to magnetic...

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Magnetic materials

Magnetic materialsIntroduction : The word magnet, was first used for iron ore magnetite ( Fe3O4) which was found in magnesia. The natural magnet which is found in nature is called as Loadstone. It has two important properties viz. directive and attractive property. If a...

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Logical QuestionQ1) The position of a particle in a rectangular coordinate system is (3,2,5). What will the position vector be?3i^+2j^+5k^3i^−2j^−5k^5i^+2j^+3k^2i^+5j^+3k^ Q2)  What is the displacement vector of the particle that moves from point P (2,3,5) to point Q (3,4,5)?i^+j^+5k^2i^+4j^+6k^i^+j^i^+j^  +10k^Q3)  What...

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