Dispersion of Light and Electromagnetic Spectrum - Physics (Senior Secondary)

White light is not simple; it is a mixture of seven colours that separate when passing through a glass prism. This course explains dispersion, the refractive index, and how rainbows form in the sky. You will also learn about the electromagnetic spectrum, covering everything from high-energy gamma rays to long-distance radio waves. Understanding these waves explains how energy moves through space without needing a physical medium. Knowledge of the spectrum is the foundation for modern technology like X-ray machines, microwave ovens, and fibre optic cables used for high-speed internet. Engineers use these principles to design communication systems, while doctors rely on specific light frequencies for surgery and medical imaging. Learning these concepts helps you understand how your mobile phone sends signals and how remote controls operate your television at home. By the end of this study, you will be able to calculate the angle of deviation in prisms and explain the conditions for total internal reflection. You will identify each band of the electromagnetic spectrum, stating their specific frequencies, wavelengths, and unique properties. You will also gain the skill to distinguish between different types of radiation and describe their safety risks or benefits in everyday life. This course is written for Senior Secondary students preparing for WAEC, NECO, or JAMB exams. It is also useful for university freshmen in science or engineering who need a solid reminder of optics and wave theory. Even if you are just curious about how light works, these lessons provide clear answers about the physical world without using confusing language or unnecessary talk.

$ 9.99

Enrolment valid for 12 months
This course is also part of the following learning track. You may join the track to gain comprehensive knowledge across related courses.
Physics
Physics
Physics controls every machine, building, and system you will design or maintain. This complete programme covers every topic required for the JAMB UTME physics paper. You will move past basic definitions and learn to solve exact problems using standard laws and formulas. We focus strictly on measurements, mechanics, thermal properties, waves, electricity, and modern physics. You will gain a working knowledge of the physical world without unnecessary theory. This track suits senior secondary students preparing for WAEC, NECO, or JAMB examinations. It serves first-year university undergraduates in engineering or physical sciences who require a firm foundation. Technical beginners and independent learners who plan to enter engineering, medicine, telecommunications, or skilled trades will find these lessons essential for their next steps. You will finish able to calculate forces, analyse electrical circuits, predict wave behaviour, and explain atomic interactions. You will interpret laboratory data, apply mathematical models to physical systems, and answer examination questions with speed and accuracy. This preparation secures high scores in national entrance tests and builds the technical base required for university engineering degrees or direct entry into professional technical work.

Physics controls every machine, building, and system you will design or maintain. This complete programme covers every topic required for the JAMB UTME physics paper. You will move past basic definitions and learn to solve exact problems using standard laws and formulas. We focus strictly on measurements, mechanics, thermal properties, waves, electricity, and modern physics. You will gain a working knowledge of the physical world without unnecessary theory. This track suits senior secondary students preparing for WAEC, NECO, or JAMB examinations. It serves first-year university undergraduates in engineering or physical sciences who require a firm foundation. Technical beginners and independent learners who plan to enter engineering, medicine, telecommunications, or skilled trades will find these lessons essential for their next steps. You will finish able to calculate forces, analyse electrical circuits, predict wave behaviour, and explain atomic interactions. You will interpret laboratory data, apply mathematical models to physical systems, and answer examination questions with speed and accuracy. This preparation secures high scores in national entrance tests and builds the technical base required for university engineering degrees or direct entry into professional technical work.

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