Plane mirror

Image Reflection by a Plane Mirror Can you think of a plane reflecting surface? The mirror on the dressing table is a good example of a plane reflecting surface. Any smooth polished surface that can reflect the rays of light and form a clear image is called a mirror. Any highly polished metal surface, e.g., […]

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What are Concave and Convex Mirrors? We are used to plane mirrors. But, when they are curved, they produce images that are different from those formed by plane mirrors. Common examples of curved mirrors stainless steel spoons, ladles, vessels with round bases, car mirrors, shaving and hub caps of car wheels. These curved objects have […]

The properties of the image formed by a plane mirror

Law of Reflection in a Plane Mirror: the angle of incidence = angle of reflection

As you know, a plane mirror is simply a flat mirror in which an object is reflected. In order to explain how the human eye forms an image of the light source behind the opaque mirror, we can use li…

This is an example of a plane mirror. Plane mirrors only produce virtual images. Virtual images are images that appear to be in a location where light does not really reach. Emily's image is as far behind the mirror as she is in front; her front-back axis is the only axis that is reversed. This is because the law of reflection. It states that the angle between the incident ray and the normal (angle of incidence) is equal to the angle between the reflected ray and the normal (angle of…

Ray Diagrams Light travels in a straight line A light ray is represented by a straight line and an arrow showing the direction and ‘straight-line’ path of light

CBSE notes for Class 8 Science on chapter 13 Light

Fermat’s principle predicts the path of light reflecting off a surface or passing through one medium to another. The principle states that light will travel in a path that will take the least and when within the same medium, speed will be constant. The law of reflection states that the angle of reflection is equal to the angel of incident and everything lies on the same plane. In a plane mirror, many rays hit the mirror, reflecting back, creating a virtual image within the mirror