-
,Tuesday 28th February 2023
Progressive Waves
Waves Basic
Wave ->
period disturbance in a medium or space
:
Each particle osilates in fixed position
·
a
Energy is
transferred by the wave without material
transferred
.
·
Progressive waves -
waves that move
Pe
from their
unit
some
(travelling
waves) .
Lime
Amplitude -
maximum displacement of wave
from equalibrium position.
wavelengu
-
N
creat
I
(1) Horizontal distance
Wavelength between
-
:
o 2 crests
2
trought
·
Any part of wave
· +
next
corresponding .
part
trough -
2
wavelengt
Frequency
· The number
of waves
passing a point per unit time
.
- I
Units v =
MS
f Hz
fx4
=
'per second v X
=
·
=
M
↳ S or M2
, Phase Difference
·
Usually measured in radians
(degreed
360 °= Lit radians
One
wavelength
=
Those 360/2i
·
difference has max- value
of
r
OO
~
·
when Phase
difference on wave =
0 ,
121 360
, ;
in Phase
they are a
-
-
When two points half (it 1809
are
wavelength
a ,
in Arriphase
they are .
j
-
-
g
Any other
⑭
phase difference = not
implace (out of Phase
.
N
/2
goo
3 *
Y4
it 1800 0 (368) 2it
554 74
2700
35/2
,Tuesday 28th February 2023
Progressive Waves
Waves Basic
Wave ->
period disturbance in a medium or space
:
Each particle osilates in fixed position
·
a
Energy is
transferred by the wave without material
transferred
.
·
Progressive waves -
waves that move
Pe
from their
unit
some
(travelling
waves) .
Lime
Amplitude -
maximum displacement of wave
from equalibrium position.
wavelengu
-
N
creat
I
(1) Horizontal distance
Wavelength between
-
:
o 2 crests
2
trought
·
Any part of wave
· +
next
corresponding .
part
trough -
2
wavelengt
Frequency
· The number
of waves
passing a point per unit time
.
- I
Units v =
MS
f Hz
fx4
=
'per second v X
=
·
=
M
↳ S or M2
, Phase Difference
·
Usually measured in radians
(degreed
360 °= Lit radians
One
wavelength
=
Those 360/2i
·
difference has max- value
of
r
OO
~
·
when Phase
difference on wave =
0 ,
121 360
, ;
in Phase
they are a
-
-
When two points half (it 1809
are
wavelength
a ,
in Arriphase
they are .
j
-
-
g
Any other
⑭
phase difference = not
implace (out of Phase
.
N
/2
goo
3 *
Y4
it 1800 0 (368) 2it
554 74
2700
35/2
