Chapter 3: Waves. Physics A(S)-level, AQA. It includes: progressive waves, longitudinal and transverse, superposition and coherence, stationary, diffraction, two source interference, diffraction gratings and refractive index
STANDING WAVE :
Wave that is reflector off a barrier (medium)
"" " '
"' " " " " " "" " "
-
travel in opposite directions
ɧÉ
]
""
" " " " orange
Yellow
1)
Green
I
Blue
ñ
1) Indigo
¥
.
Violet
1111 E
Amplitud ofwave
§
- pnase D= distante between máximas .
-
not in pnase D= MAD n =
numberofmaximas
SLITI s
D=
( S)
separation _ pnase
Wavelehgth
-
not in
phase distance between D= distante to Screen
Maxi mas (d)
Phase S =
slit separation
| 1-
Distance to screen ( j
Screen
STANDING WAVES :
FIXED ENDS : link between the
length of the Space wnere the
Standing Wave is
produced
and the
waveeeugth and the
fequency
.
1) < L >
Xp =
2×1
Nt -
-
# N
f, L :
half a
1
waveeeugth
-
-
- -
-
>
2
- - -
a
First harmonie
?⃝
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