Efek Fotolistrik adalah suatu peristiwa terlepasnya elektron dari permukaan logam ketika disinari oleh sebuah cahaya (foton) dengan frekuensi yang lebih besar daripada frekuensi ambang logam tersebut
Efek Fotolistrik adalah suatu peristiwa terlepasnya elektron dari permukaan logam ketika disinari oleh sebuah cahaya (foton) dengan frekuensi yang lebih besar daripada frekuensi ambang logam tersebut
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Marcella Marletta - IX Conferenza Nazionale sui Dispositivi MediciMarcella Marletta
La traccia del discorso tenuto dalla dottoressa Marcella Marletta in occasione della IX Conferenza Nazionale sui Dispositivi Medici, importante evento di settore.
Marcella Marletta - IX Conferenza Nazionale sui Dispositivi Medici
Fisika Inti
1. Kestabilan Inti Atom, Energi Ikat
Inti Stabil, Rumus Empiris
Weizsacker , Partikel Elementer
Kelompok 3
Lailatul Maghfiroh (13640046)
Fitriana Latifatul W.(13640049)
Meylda
7. Rumus Empiris Weiszaker
1. Inti dianggap terdiri dari zat yang tak
termampatkan sehingga jari-jarinya berbanding
lurus dengan
2. Gaya inti tak bergantung pada muatan nukleon
3. Gaya Inti mempunyai sifat jenuh
M(A,Z) = M₀ + M₁ + M₂ + M₃ + M₄ + M₅
16. Contoh soal
1. Dengan formula massa semiempiris,
tentukan perbedaan massa antar ⁶⁴₂₉ Cu
dengan ⁶⁴₃₀Zn (Fisika Nuklir, Yusman
Wiyatmo, M.Si. : 57)
2. Tentukan energi ikat inti ⁵⁶₂₆Fe₃₀ (Fisika
Modern, Kenneth Krane: 353)
17. 1. Penyelesaian :
massa proton (Mp) : 1,007825 μ
massa neutron (Mn) : 1,008665 μ
Nuklida ⁶⁴₂₉ Cu
Perhitungan massa inti suku demi suku
M₀ = ZMᴘ + NMn = (29)(1,007825μ)+(35)(1,008665 μ)
= 64,529675 μ
M₁ = - = -(0,016912 μ)(64) = - 1,082368 μ
M₂ = = (0,019114 μ)(64)˄⅔ = 0,305824 μ
M₃ = = (0,0007226 μ) (29(29-1)/64˄⅓ )= 2,430826 μ