Unit 02
Waves
, 01 Progressive & Stationary waves
Wave motion -
occurs when energy is transferred from one point to another
without there being any transfer of matter blan those points
Get -
de
e
En
Waves
mechanical electromagnetic
-require physical medium for -can travel through vacuum
by the
their propagation -progress partly delayed
physical medium
ex) water waves a
ext
light is t
Mill
-
sound waves
radio waves ,
microwaves ,
waves on
strings a
X-rays
*All electromagnetic
speed
at the same
waves travel
in a vacuum
-standing sound waves -
high pitch higher frequency & lower i
.
1 Progressive waves ,
definitions
has fixed end
Progressive wave no
:
·
-
If mechanical disturbance at
X
B >
Point A causes a particle at
vo
that point to be ed that
↑
,
I
M
particle can
drag its neighbor
Amplitude
-
along behind it causing
- -
the wave
⑧
W to travel from A via the disturbance
A Distance from
↓
- -
in intermediate particles
↓
->
source ,
to
point B
-
direction of
the energy
↓
direction of displacement
& down waves
-up
Waves
, 01 Progressive & Stationary waves
Wave motion -
occurs when energy is transferred from one point to another
without there being any transfer of matter blan those points
Get -
de
e
En
Waves
mechanical electromagnetic
-require physical medium for -can travel through vacuum
by the
their propagation -progress partly delayed
physical medium
ex) water waves a
ext
light is t
Mill
-
sound waves
radio waves ,
microwaves ,
waves on
strings a
X-rays
*All electromagnetic
speed
at the same
waves travel
in a vacuum
-standing sound waves -
high pitch higher frequency & lower i
.
1 Progressive waves ,
definitions
has fixed end
Progressive wave no
:
·
-
If mechanical disturbance at
X
B >
Point A causes a particle at
vo
that point to be ed that
↑
,
I
M
particle can
drag its neighbor
Amplitude
-
along behind it causing
- -
the wave
⑧
W to travel from A via the disturbance
A Distance from
↓
- -
in intermediate particles
↓
->
source ,
to
point B
-
direction of
the energy
↓
direction of displacement
& down waves
-up
