Lecture

Basic purpose of this lecture is to present on Lenses: Application of Refraction. There are two main types of lenses: convex lenses—these curve outwards and are fatter…

General purpose of this lecture is to present on Light Refraction and Lenses. Refraction fact 1: As light goes from one medium to another, the velocity changes! Refraction…

Light is a wave, kind of like a wave in the ocean. These light waves carry energy. This energy can do many interesting things, like help…

Major objective of this lecture is to present on Kinematic Equations. Here describe the definitions of position, distance, displacement, speed, velocity and acceleration and distinguish whether…

The aim of this lecture is to present on the Effects of Radiation on Living Things. Major focus of this lecture is what types of…

Prime objective of this lecture is to present on Infrared Telescopes. Infrared is a certain region in the light spectrum, its ranges from .7µ to 1000µ or…

Basic objective of this lecture is to present on Graphical Analysis of Simple Harmonic Motion. Here briefly state the formula required for SHM and recognize equations…

General objective of this lecture is to present introduction to Oscillations and Simple Harmonic Motion. Here also describe examples of free oscillations and the conditions of Simple…

Major objective of this lecture is to present on Gravity. Gravity is a natural force that pulls all objects toward the center of the earth. It is…

The first refrigerator used by many people was the “Monitor-Top” refrigerator starting in 1927. Home freezers started being used in the U.S. in 1940. Before the refrigerator…

Main focus of this lecture is to present on how Lightning Works. Lightning transfers electrons from the atmosphere to Earth. Electrons build up in clouds because wind…

Major purpose of this lecture is to present on Circuit Breakers. Circuit breakers open the circuit when a current in a house wire exceeds the rated current…