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Overview         (For age - group : Below 16 )

This school science software (animation) completely covers reflection in a plane mirror including answers to question like "is mirror visible" ? The science software is very useful for students who want to understand the concept behind reflection.

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 Laws of Reflection: Animation Type : Advanced the e-learning software thoroughly covers the following topics : Regular and diffused reflection Path of a light ray First law of reflection Second law of reflection Case : What happens to image if light strikes at normal to the surface Images of point and extended objects Lateral inversion Explanatory Notes section contains answer to commonly asked questions Difference between a real and virtual image Minimum vertical length of a mirror required to see a complete image Is mirror visible ? What is the angle of rotation an image undergoes if the mirror is rotated by an angle "a "?
Snapshots
 Object distance = image distance Specular or regular reflection The image formed in a plane mirror is Virtual and upright The image formed in the mirror is laterally inverted
Details of the animation/ movie /software

When a beam of light strikes a rough surface it is reflected in different directions over a wide area. Such a reflection is called Diffused or Irregular reflection.

When a beam of light strikes a smooth surface it is reflected in a fixed direction. Such a reflection is called specular or regular reflection.

Light rays reflected from regular surface follow two laws of reflection:
1.) Angle of incidence = angle of reflection
2.) The incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.

The image formed in a plane mirror is
· Virtual and upright
· Same size as the object
· Object distance = image distance

The image formed in a plane mirror is called virtual as it has no physical existence.

The image formed in the mirror is laterally inverted. Lateral inversion refers to the apparent left-right reversal of the image with respect to the object.

Keywords covered are : reflection, microscopic views, 3d planes, reflection from mirrors, regular and irregular reflection, lateral inversion, terminology, laws, reflection from point object & extended object, real & virtual images.......

If you are still unclear about the concepts, please refer the animation .

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