rumus fisika modern

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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