NATURE OF OBJECTS AND IMAGES
Ray optics primarily deals with determining the position and nature of the image formed when an object is placed in front of an optical element.
TYPES OF OBJECTS:
An object is a source of light rays that are incident on an optical element. An object may be a point or an extended object. Since extended objects can be modeled as a collection of points, we only need to study point objects.
REAL OBJECT:
An object is real if two or more incident rays actually emanate or seen to emanate from a point. The...
