A laboratory experiment to measure wavelength by Young’s interference bands is shown in the diagram below. Light from a small filament lamp is focused by […]
Read moreCategory: Physics
How to Measure the Velocity of Sound in a Quincke Tube
Quincke devised a simple method of measuring the velocity of sound by obtaining permanent interference between two sound waves. He used a closed tube, now […]
Read more
The Production and Uses of Ultrasonic Sound Waves
What are Ultrasonics? Ultrasonics are sound waves of higher frequency than 20000 Hz, which are inaudible to a human being. These are known as ultrasonics; […]
Read more
How to Measure the Partial Pressure of Atmospheric Water
Before we delve into partial pressure, lets first examine what water vapor is and how it affects evaporation. The water vapor in the atmosphere is […]
Read more
Properties of Magnetic Materials
Magnetic Materials – Steel is more suitable for permanent magnets, because it high coercivity meaning that it is not easily demagnetized by shaking. The fact […]
Read more
Definition and Application of Hooke’s Law of Elasticity
In understanding Hooke’s law, we can advance an illustration: A bridge, when used by traffic during the day, is subjected to loads of varying magnitude. […]
Read more
Coulomb’s Law, Equation and Its Applications
Coulomb’s Law is a theory that states that electrostatic force exists between charged bodies. The force is proportional to the product of the charges and […]
Read more
Electrophorus and Microphone – Working Principles and Uses
A device which provides an almost unlimited supply of charge, by induction, was invented by Volta about 1800; it is called an electrophorus. It consists […]
Read more
Cartesian Coordinate System and it’s important Applications
The Cartesian coordinate system is a system of mapping points in space to sets of numerical coordinates. It is named after the French mathematician and […]
Read more
Working Principles, Functions and Uses of a Car Alternator
An alternator is an important component of a vehicle’s electrical system that helps to keep the battery charged by converting mechanical energy into electrical energy. […]
Read more