Chpt 2 - Geometrical Optics Flashcards
1
Q
What is light?
A
a form of energy that travels away from the source
2
Q
What is reflection?
A
The bouncing of light off an object
3
Q
Laws of reflection
A
- The incident ray, the normal at the point of incidence and the reflected ray all lie on the same plane.
- The angle of incidence is equal to the angle of reflection (i=r)
4
Q
What is a virtual Image?
A
an image formed by the apparent intersection of rays
5
Q
What is parallax?
A
the apparent movement of one object relative to the motion of the observer
6
Q
What is a real image?
A
An image folmed by the actual intersection or rays