Rays And Reflections Flashcards
1
Q
What is the angle of incidence?
A
The angle between the normal and the incident ray.
2
Q
What is the angle of reflection?
A
The angle between the reflected ray and the normal (the imaginary line drawn at 90 degrees to the reflecting surface).
3
Q
Why do rough surfaces not reflect sound or light well?
A
Rough surfaces scatter sound and light in all directions.
4
Q
What is refraction?
A
When a ray changes direction.
5
Q
What is the incident ray?
A
The ray of light that you see.
6
Q
How does a lens form an image?
A
A lens forms an image by refracting light
