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12.<br />
13.<br />
14.<br />
15.<br />
GELOMBANG<br />
m<br />
T = 2π<br />
k<br />
l<br />
T = 2π<br />
g<br />
mekanik refleksi gel. gel.<br />
refraksi longitudinal transversal<br />
interferensi 1λ<br />
Gelombang defraksi<br />
polarisasi<br />
1.<br />
2.<br />
3.<br />
4.<br />
5.<br />
6.<br />
2 2 2<br />
E p= 1 mω<br />
A s i n ω t<br />
2<br />
E m e k=<br />
mω<br />
1<br />
2<br />
v= f ⋅λ→<br />
λ=<br />
v⋅t<br />
2<br />
A<br />
2<br />
elektromagnetik<br />
gel.<br />
⎛ t x ⎞<br />
y gel. berjalan = Asin 2π⎜<br />
− ⎟<br />
⎝T<br />
λ ⎠<br />
y diam ujung bebas Δϕ = 0<br />
x ⎛ t L ⎞<br />
y = 2A<br />
cos 2π<br />
sin 2π⎜<br />
− ⎟<br />
λ ⎝T<br />
λ ⎠<br />
y diam ujung terikat<br />
x ⎛ t L ⎞<br />
y = F2<br />
Asin<br />
2πm<br />
cos 2π⎜<br />
− ⎟<br />
v = μ = λ ⎝T<br />
λ ⎠<br />
μ<br />
<br />
v =<br />
E<br />
ρ<br />
E = modulus young<br />
s t r e s sP<br />
E =<br />
= =<br />
s t r a i nε<br />
1<br />
Δϕ =<br />
2<br />
F<br />
A<br />
Δ L<br />
L o<br />
=<br />
F ⋅ L o<br />
A ⋅ Δ L<br />
1λ<br />
26
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