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In this article, we will explore two specific types of spherical mirrors: convex mirrors and concave mirrors. We will also delve into the concept of ray diagrams, which help us understand how light behaves when it interacts with these mirrors.
The mirror coating of the concave mirror is on the outside of the spherical surface. In concave mirrors, the centre of curvature and the reflecting surface fall on the same side of the mirror. The mirror coating of the convex mirror is on the inside of the spherical surface.
Basically, the reflecting surface of the convex mirror bulges outside while the concave mirror bulges inwards. The major difference is the image that forms in these two mirrors. In other words, diminished images form in convex mirrors while enlarged images form in concave mirrors.
Jun 26, 2023 · The main difference between concave and convex mirror is that concave mirror has reflecting surface curved inwards while convex mirror has reflecting surface curved outward. Apart from this, the other main difference is that concave mirror is converging while convex mirror is diverging.
In convex mirrors, the principal axis is the same as in a plane or concave mirror, perpendicular to the center of the mirror. In this case, the focal point is behind the mirror. A convex mirror has a negative focal length because of this.
The main difference between a convex and concave mirror lies in the image formed by the two mirrors, i.e. while convex mirror forms diminished image, the concave mirror either forms an enlarged image or a diminished one, depending upon the position of the object.
Aug 16, 2021 · The convex mirror shown in Figure \(\PageIndex{3}\) also has a focal point. Parallel rays of light reflected from the mirror seem to originate from the point F at the focal distance \(f\) behind the mirror. The focal length and power of a convex mirror are negative, since it is a diverging mirror.
