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Module 15: Light - Wakelet

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Light: Electromagnetic waves, the electromagnetic spectrum and photons (article) | Khan AcademyProperties of electromagnetic radiation and photons

Introduction to light (video) | Khan AcademyLight and the electromagnetic radiation spectrum. Wave and particle-like behavior, and how to calculate the wavelength or frequency of a light wave.

the Physics Classroom offers some great info on:

Virtual Labs

How are colors created? (click)

What is the electromagnetic spectrum? (click)

Difference Between Reflection and Refraction (with Comparison Chart) - Key DifferencesKnowing the difference between reflection and refraction will help you understand basic phenomenon of science. Reflection, is when the light goes back to the previous medium, but changes direction. On the flip side, refraction is when light is absorbed by the medium but the direction and speed is affected.

Difference Between Convex and Concave Mirror (with Comparison Chart) - Key DifferencesThe difference between convex and concave mirror lies in the way light rays are reflected by them. A convex mirror has a reflecting surface that bulges outside. On the contrary, in a concave mirror the reflecting surface bugles inwards.

Difference Between Convex and Concave Lens (with Figure, Example and Comparison Chart) - Key DifferencesEight important differences between convex and concave lens are compiled in the article in tabular form. One such difference is the structure of convex lens is like, thicker at the centre and thinner at the edges. Conversely, the concave lenses are thinner at the centre and thicker at its edges, in structure.

Difference Between Real Image and Virtual Image (with Comparison Chart) - Key DifferencesThe basic difference between real image and virtual image is that the former can be captured on the screen in the real world and appears on the same side, as that of the object, whereas the latter cannot be reproduced on the screen in the real world and exist on the opposite of the mirror.

For fun!

Try these Optical Illusions: Optics 4 Kids

See Some Optical Illusions: Science Bob

Cool Optical Illusions: Brain Den

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