Introduction to Infrared Light
Basic purpose of this lecture is to present on Infrared Light. Infrared (IR) is a form of light (or electromagnetic radiation). Infrared light is found between visible light…
Physics
Why Do We Need Infrared Telescopes?
Infrared telescopes allow astronomers to gain information about regions in space that might otherwise remain invisible. An infrared telescope is a telescope that uses infrared…
Lecture on Infrared Telescopes
General purpose of this lecture is to present on Infrared Telescopes. Infrared is a certain region in the light spectrum and ranges from .7µ to 1000µ or…
Light, Reflection and Mirrors
Prime objective of this lecture is to present on Light, Reflection and Mirrors. Light is a form of Electromagnetic Energy. It is a part of the Electromagnetic Spectrum…
Presentation on Herschel Experiment
To perform a version of the experiment of 1800, in which a form of radiation other than visible light was discovered by the famous astronomer…
Fiber Optic Applications
Fiber is already used in: 90% of all long distance telephony; 50% of all local telephony; most CATV networks; most LAN (computer network) backbones and many video…
Lecture on Fiber Optics
This lecture briefly introduce on Fiber Optics. Fiber is the least expensive, most reliable method for high speed and long distance communications. Fiber Optics cable have greater bandwidth…
Law of Reflection
Principle objective of this lecture is to present on Law of Reflection. Law of Reflection is: Angle of incidence = Angle of reflection. The law of reflection states that…
Lecture on Light and Sound
Major objective of this lecture is to present on Light and Sound. In this lecture briefly describe on: Properties of light; Reflection; Colours; Refraction; Properties of sound and Hearing. Light travels much faster…
Light, Reflection and Refraction
The aim of this lecture is to present on Light, Reflection and Refraction. Light is a complex phenomena. Its exact nature is not fully understood and this…
Absorption of Light
Basic objective of this lecture is to present on Absorption of Light. Absorption of light happens when atoms in an object absorb (take in and hold) the…
Lecture on Light Waves
General objective of this lecture is to present on Light Waves. Light travels in the form of electromagnetic waves. It spreads out in all directions from its…
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