Diverging (concave) lens

Definition of the concave lenses One type of lens used in everyday life is the concave lens. A concave lens is a lens with a thinner center while thicker edges. The concave lenses are usually circular, although there are also lenses that are not circular. The concave lenses, like convex lenses, are made of glass …

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The convex mirror equation

First, understand the sign rules of the convex mirror. The sign rules for the convex mirror – Object distance (do) If an object is in the front of a mirror surface which reflecting light, where the light passes through the object, then the object distance (do) is positive. – Image distance (di)

Convex mirror

Definition of the convex mirror One type of mirror used in everyday life is the convex mirror. The convex mirror has curved shapes, where the mirror surface which reflects light, curve forward. Uses of the convex mirror If you have ever seen a motorcycle or car rearview mirror, of course, you already know the use …

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The concave mirror equation

Before deriving the equation of the concave mirror, first read some sign rules for the concave mirror below. The sign rules for the concave mirror – Object distance (do) If the object is in the front of the mirror surface which reflects light, the object distance (do) is positive. – Image distance (di) If the …

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