Chapter 4 - Waves Flashcards
1
Q
What is an electromagnetic wave?
A
Oscillating magnetic and electric fields that progress through space without the need for a substance
2
Q
What are longitudinal waves?
A
Waves where the direction of the particles is parallel to the direction in which the wave travels
3
Q
What is a transverse wave?
A
Waves that the direction of vibrations is perpendicular to the direction of wave travel
4
Q
What does plane polarised mean?
A
The waves can only stay in one plane
5
Q
What type of waves can’t be polarised?
A
Longitudinal
6
Q
What is displacement?
A
It’s distance and direction from the equilibrium
7
Q
What is the amplitude?
A
The maximum displacement of a vibrating particle.
