P1.3 (Mains electricity) ( ray diagrams) Flashcards
1
Q
The image in a plain mirror is…
A
- Virtual
- Upright
- Laterally Inverted
2
Q
The law of reflection
A
The angle of incidence equals the angle of reflection
3
Q
What is the angle of incidence?
A
The angle between the line of incidence and the normal
4
Q
What is the angle of reflection?
A
The angle between the line of reflection and the normal
5
Q
What is the normal?
A
A line intersecting another line at a right angle, that the ray might be reflected towards or away from.
6
Q
In which direction should the arrows on the light lines face?
A
The direction in which it is travelling.
