What is an Equipotential? In discussing equipotentials, we must admit that the earth must have the same potential with all over, because it is a […]
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The Working Principle and Uses of a Sextant
The sextant is an instrument used in navigation for measuring the angle of elevation of the sun or stars. It consists essentially of a fixed […]
Read moreMonochromator – Working Principles, Application and Uses
What is a monochromator? A monochromator is used to isolate a specific wavelength of light. This process is expertly explained in the video below. Monochromators […]
Read moreHow to Calculate the Velocity of Transverse Waves Along a Stretched String
When a string is plucked it sets up both longitudinal and transverse waves. If the string is made of elastic material like steel it can […]
Read moreTransverse Waves and It’s Application on Stringed Musical Instruments
If you move your hand up and down on a vibrating string, the motion will launch waves in two independent directions (up and down for […]
Read moreSonometer – How to Verify the Laws of Vibration in a Fixed String
A sonometer is a device used to verify the laws of vibration in a fixed string. It consists of a one-meter long hollow box with […]
Read moreDefinition and Measurement of Motion, Speed, Velocity and Friction
What is Motion? What are the differences between speed and velocity? What is friction and how can it be reduced? These are questions relating to […]
Read morePrinciples on How to Record Sound on a Tape or Film
Do you Know how to record sound on a tape or film? Do you know the principles behind recording sound on a tape or on […]
Read moreWorking Principles and Uses of Potentiometer in E.M.F Calculations
Pointer instruments are useless for very accurate measurements: the best of them have an intrinsic error of about 1 percent of full scale. Where greater […]
Read moreApplication of Doppler Effect in the Measurement of Light
In understanding the application of Doppler effect on the measurement of light, we must note that the speed of distant stars and planet has been […]
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