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

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 Harmonic Motion Introduction : If we through Read more…

## Class 11 physics, Chapter – 16, Thermodynamics

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 in a non cyclic process Work done Read more…

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

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 called as inter molecular force. There are Read more…

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

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 example, cheque is a form of money. Read more…

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

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 of the fluid : The mass of Read more…

## Class 11 Physics, Chapter – 12, Elasticity

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 partially its original shape, volume and length.  Read more…

## Class 11 Physics, Chapter – 11, Gravitation

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 attracted towards the center of the earth, Read more…

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

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 Product of Force and Displacement. Types Of Read more…

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

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 : It is the angle sweeps out Read more…

## Class 11 Physics, Chapter – 8, Friction

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, we can not write on mirror whereas Read more…