rumus fisika modern
DESCRIPTION
berbagai fisika modernTRANSCRIPT
I
GEL. ELEKTROMAGNETIKGel medan listrik : E = Em sin (( t kx )
Gel medan mgnet : B = Bm sin (( t kx )
k = 2( /(Cepat rambat GEM : c =
c =
Panjang gelombang GEM : ( =
Radio : f = ; f = c/(Radar : S =
Intensitas GEM/ Pointing/laju energi
S = ==
S = =
U= Bm2/2(o= (oEm2/2
TEORI RELATIVITASKecepatan : v =
Panjang : L = Lo
Waktu : (t =
Massa : m =
Energi kinetik : Ek = E Eo
Ek = m.c2 mo.c2
Ek = ( ( - 1 ) Eo
( =
DUALISME GELOMBANG DAN PARTIKEL
Energi Foton :
E = h . f
E =
Momentum Foton : P =
Efek Fotolistrik :
Ek = E - W
Ek = hf - hfo
Ek = -
Ek = e . VoEfek Compton :
Panjang gelombang minimum sinar x :
Panjang gelombang De Broglie (Partikel) :
EMBED Equation.3
EMBED Equation.3 ATOM HIDROGEN
Energi Ionisasi : En = -
Energi yang dipancarkan / diserap :
E = EB - EA
E =
EMBED Equation.3 e. V
E =
Panjang gelombang yang dipancarkan :
Lyman : nA = 1nB > 1
Balmer : nA = 2nB > 2
Paschen : nA = 3nB > 3
Brackett : nA = 4nB > 4
P fund : nA = 5nB > 5
maks, fmin : Emin
nB = nA + 1 ; nA = deret
min, fmaks : Emaks
nB = nA = deret
ATOM BERELEKTRON BANYAKEnergi En =
Bilangan kuantum :
1. utama ( n ) : menentukan besar enrgi
2. orbital ( ) : menetukan besarnya momentum sudut
= n 1
L = .
3. magnetik ( m ): menentukan arah momentum sudut
m = ( 2+ 1 )
Lz = m.
4. spin ( s ) : menentukan arah rotasi momentum sudut
FISIKA INTI
Inti atom :
Massa defek :
= Z mp + ( A Z ) mn m inti
Energi ikat :
Em = c2
E = . 931 Mev
RADIO AKTIVITASAKTIVITAS : R = N
=
Waktu paruh : N = No
Pelemahan Intensitas :
I = Io
Reaksi Inti :
X + Y Z + Energi
Massa defek :
= Mx + My - MzEnergi yang dibebaskan :
E = .c2
E = 931 Mev
TRANSISTOR
NPN PNP
Ie = Ic + IbPenguatan arus :
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