Lesson 3 Homework Flashcards
0
Q
Refraction
A
The bending of waves as they enter a new medium at an angle, caused by a change in speed.
1
Q
Reflection
A
The bouncing back of an object or a wave when it hits a surface through which it cannot pass.
2
Q
Diffraction
A
When a wave moves around a barrier or through an opening in a barrier it ends and spreads out.
3
Q
The law of reflection
A
The angle of incidence equals the angle of reflection.