- Light just is and has no origin.
- Light is a particle.
- Light is a mixture of particles and waves.
- Light waves and radio waves are not the same thing.
1. Light is associated only with a source and/or its instantaneous effects. Light is not considered to exist independently in space. Light is not conceived as moving from one point to another with a finite speed.
2. An object is seen whenever light shines on it, with no recognition that light must move between the object and the observer's eye.
3. A shadow is something that exists on its own. Light pushes the shadow away from the object to a wall, the ground, or other surface where the shadow lies. Shadows are "dark reflections" of objects.
4. Light is not necessarily conserved. It may disappear or be intensified.
5. Lines drawn outward from a light bulb in a sketch represent the "glow" surrounding the bulb. Light from a bulb only extends outward a certain distance and then stops. How far it extends depends on the brightness of
the bulb.
6. An observe can see more of his or her mirror image by moving further back from the mirror.
7. The mirror image of an object is located on the surface of the mirror. The image is often thought of as a picture on a flat or curved surface. To be seen in a mirror, the object must be directly in front of the mirror or in the line-of-sight from the observer to the mirror.