Chaper 2 - Geometrical Optics Flashcards
0
Q
Define:
Converging beam
Diverging beam
Parallel beam
A
C - a beam of light may be getting narrower.
D - a beam of light that is spreading out.
P - a beam of light at the same width.
1
Q
Define:
Self Luminous object
Non-luminous object
A
A self luminous object is an object that gives out its own light.
A non-luminous object is one which does not give out its own light.
2
Q
Define:
Reflection of light
A
The bouncing of light off an object is called reflection.
3
Q
Laws of Reflection of light;
Law 1-
Law 2-
A
Law 1- The incident, the normal at the point of incidence and the reflected ray all lie in the same plane.
Law 2- The angle of incidence is equal to the angle of reflection. (i=r)
4
Q
Define:
Virtual image
A
Is formed by the apparent intersection of light.
