Inti atom helium memiliki massa 4,0026 sma. Jika massa proton dan neutron masing-masing adalah 1,0078 sma dan 1,0086 sma, maka berapakah defek massa dari inti atom helium tersebut? (1 sma = 1,66 x 10-27 kg).
Asesemen Sumatif 3( Reaksi inti dan TD)

Quiz
•
Physics
•
12th Grade
•
Hard
Sappe Wati
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 x 10-29 kg.
2 x 10-28 kg.
5 x 10-28 kg.
5 x 10-29 kg.
5,5 x 10-29 kg.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Massa inti atom 20 Ca40 adalah 40,078 sma. Jika massa proton = 1,0078 sma dan neutron =1,0087 sma, defek massa pembentukan 20Ca40 adalah....
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Massa inti 4Be9 = 9,0121 sma, massa proton = 1,0078, massa neutron = 1,0086 sma. Jika 1 sma setara dengan energi sebesar 931 Mev,
maka energi ikat atom 4 Be9 adalah...
51,39 MeV
57,82 MeV
62,10 MeV
90,12 MeV
90,74 MeV
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Inti atom yang terbentuk memenuhi reaksi fusi berikut ini :
1H1 + 1H1 → 1d2 + 1e0 + E
Diketahui :
Massa 1H1 = 1,0078 sma
Massa 1d2 = 2,01410 sma
Massa 1e0 = 0,00055 sma
1 sma = 931 MeV
Nilai E (energi yang dihasilkan) pada reaksi fusi tersebut adalah …
1,47 MeV
1,02 MeV
0,98 MeV
0,88 MeV
0,44 MeV
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Jika inti atom nitrogen ditembak neutron maka terjadi reaksi inti sebagai berikut 7N14 + on1 → 5B11 + X
X adalah..
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hubungan antara massa inti dengan massa unsur-unsur penyusun inti atom adalah....
massa inti > massa proton + massa neutron
massa inti = massa proton + massa neutron
massa inti < massa proton + massa neutron
massa proton < massa inti + massa neutron
massa proton = massa neutron - massa inti
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Pada reaksi inti :
on1 + 92U235 → 92U236→54Ke140 + 38Si94 + X
X adalah...
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