Lecture

Spherical mirrors are mirrors whose surfaces form a part of a hollow sphere, The spheres can be made of glass or any polished metal surfaces. A…

General objective of this lecture is to present on Speed and Velocity. Speed is a scalar quantity and can be an average or instantaneous value. On the other…

The aim of this lecture is to present and explain on Motion of Objects Projected at an Angle. here briefly describe what is the trajectory; what…

Kirchhoff’s Laws said: Light of all wavelengths shines on an atom; only light of an energy equal to the difference between “floors” will be absorbed and…

Principle purpose of this lecture is to focus on Spectral Lines. A spectrum is the amount of light given off by an object at a range of…

Major purpose of this lecture is to present on Sound and Light. It is a tutorial based lecture. Here briefly describe Does sound travel through paper,…

For a satellite to be in a particular orbit, a particular velocity is required or a given height above Earth ‘r0+h’. Telecommunications satellites remain above…

The aim of this lecture is to present on Satellite Orbits and Uses. here briefly describe how are Satellites classified. This lecture briefly describe motion of spacecraft…

Rutherford shows that the nucleus had a relatively small diameter compared with that of the atom. Most of the mass of the atom is concentrated in…

General purpose of this lecture is to present on Resultant Forces. Resultant Forces happen if two forces act together on an object, their effect may be described…

Principle objective of this lecture is to present on Normal Force and Friction Force. Normal Force is always perpendicular to the surface that an object is on. If…

Radioactive decay results in the emission of either: an alpha particle (α), a beta particle (β), or a gamma ray(γ). An alpha particle is identical to that of a…