## Class 11 Physics, Chapter – 18, Wave Motion

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Class 11 Physics, Chapter – 18, Wave Motion Table of Content (Chapter Index) Introduction Wave Motion Periodic Motion Oscillation Harmonic Oscillation Simple Harmonic Motion Description of Simple Harmonic Motion Velocity Acceleration Differential form of simple harmonic motion Restoring Force Energy Characteristics Of Simple Read more…

## Class 11 physics, Chapter – 16, Thermodynamics

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Class 11 Physics, Chapter – 16, Thermodynamics Table of Content (Chapter Index) Introduction Thermodynamics Thermodynamical System Surroundings Thermodynamical Parameters Thermodynamic Process Isothermal Process Adiabatic Process Isobaric process Isochoric or Isovolumic process Cyclic Process Quasi static Process Isolated system Work and Heat Work done Read more…

## Class 11 Physics, Chapter – 15, Surface Tension

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Chapter – 15, Surface Tension Above pictures are the phenomena related to surface tension. Let us understand that what internal force is before knowing about the surface tension. Inter Molecular Force : The force of interaction between the molecules of a substance, is Read more…

## Class 11 Physics, Chapter – 14, Thermal Properties of Matter

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Chapter – 14, Thermal Properties Of Matter Heat : It is a form of energy. It flows from higher temperature region to lower temperature region. That it flows due to temperature difference of two objects. An object does not possess it. As for Read more…

## Class 11 Physics, Chapter – 13, Fluid Motion

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Chapter – 13, Fluid Motion The substance that can flow is called as fluid. For example, the liquids and gasses. Volume of the fluid :  The space occupied by the fluid is called as its volume. Its unit is liter, m3, cm3 Density Read more…

## Class 11 Physics, Chapter – 12, Elasticity

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Class – 11, Chapter – 12, Elasticity Introduction :  In our daily life, there are some objects whose shapes, volume and length may be changed permanently or temporarily by applying external force. After removal of the applied force, the objects may recover completely or Read more…

## Class 11 Physics, Chapter – 11, Gravitation

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Class – 11 Physics, Chapter – 11, Gravitation Gravitational Force : The force of attraction between two point masses is called as Gravitational force. Gravity : The gravitational force due to the the gravitational field of the earth by which any object is Read more…

## Class 11 Physics, Chapter – 10, Work, Power and Energy

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Class – 11 Physics, Chapter – 10, Work, Power and Energy  Definition Of Work : When a force is applied on an object to displace it from its initial position then it is said to be work is done. It is the Dot Read more…

## Class 11 Physics, Chapter – 8, Friction

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Class – 11 Physics, Chapter 8, Friction Frictional force : It is contact force which resists the relative motion of solid surface, fluid layers and material elements sliding against each other. Discussion :  In daily life, we observe that with a ball pain, Read more…

## Class 11 Physics, Chapter – 9, Circular Motion

[responsivevoice voice=”Hindi Female” buttontext=”Listen to This Chapter”] Class – 11 Physics, Chapter – 9, Circular Motion The motion along circular track is called circular motion. Like moving car at turning point, motion of a fan, motion of planet on its orbit etc. Some important terminology : 1 ) Angular displacement Read more…