Physics

Main objective of this lecture is to present on Newton’s Law. It is tutorial based lecture; here explain Newton’s three Law. Newton’s First Law: Law of Inertia; Newton’s Second Law: F…

Major objective of this lecture is to present on Motion. Here introduce what is motion; what are the different types of motion and what is the…

The aim of this lecture is to present on Cosmic Microwave Background. 1960’s at scientists at Bell Laboratories detected background noise using a special “low noise” antenna.…

Microwaves have wavelengths range from centimeters to those closer to a foot in length. Longer are for heating food and Shorter waves Doppler radar. This lecture briefly…

Radiation therapy uses ionizing radiation to treat cancer i.e. to destroy cancerous cells. The aim of radiation therapy is to cause damage to the cancerous…

Ionizing radiation is used in radiotherapy to treat cancer and to sterilise medical equipment because it destroys cells. Basic objective of this lecture is to present…

Principle objective of this lecture is to present on Velocity-Time Graphs. Uniform accelerated motion is a motion with the constant acceleration (a – const). Slope (gradient) of the…

General objective of this lecture is to present on Matter and the Particle Model. Matter is anything that moves and anything that takes up space. Solids, Liquids and Gases. Here…

Principle purpose of this lecture is to present on Mass, Force and Gravity. Mass–Amount of stuff (atoms/molecules) in an object. Measured in kg. Force – Measures the gravitational…

The direction of the magnetic field at any point is tangent to the magnetic field line at that point. The aim of this lecture is…

Prime purpose of this lecture is to present on Magnetic Field Direction. Direction of magnetic field at any point is defined as the direction of motion of…

Magnets have been known for centuries. The Chinese and Greeks knew about the “magical” properties of magnets. The ancient Greeks used a stone substance called “magnetite.”…