9/13 class notes Flashcards
1
Q
what is the most common type of wave
A
sinusoidal
2
Q
wavelength
A
represented by lambda
-unit/m
-distance between two crests (or troughs) of the wave
3
Q
frequency
A
f or v
-Hz or 1/sec
-number of oscillations per unit time
4
Q
Amplitude
A
-A or I
-max height or trough of the wave
5
Q
what are two properties of waves that particles never do
A
diffraction and interference
6
Q
diffraction
A
spread out when transversing a small opening
7
Q
interference
A
passes through two slits and has light and dark bends
8
Q
what is a class of waves (including visible light)
A
electromagnetic waves (EM)
9
Q
do electromagnetic waves need a medium to propagate
A
no
10
Q
propagation
A
movement
11
Q
A
