
Fisika Radiologi
Authored by Aditya Oktaviana
Physics
University
Used 13+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Urutan daya tembus sinar-sinar radioaktif dimulai dari yang paling kuat adalah ...
alfa, beta, gamma
gamma, alfa, beta
beta, alfa, gamma
alfa, gamma, beta
gamma, beta, alfa
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Sebuah unsur 82Pb208 memiliki ...
82 elektron, 82 proton, 126 neutron
82 elektron, 126 proton, 82 neutron
126 elektron, 82 proton, 82 neutron
82 elektron, 82 proton, 208 neutron
208 elektron, 208 proton, 82 neutron
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Dalam reaksi berikut 7N14+α→X+p dilepaskan sejumlah energi. Pada persamaan reaksi tersebut X adalah ...
8O16
7N16
8O17
8O18
9F16
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Massa sebuah inti atom 6C12 = 12,0000 sma, massa proton 1,0078 sma dan massa neutron 1,0087 sma. Besarnya defek massa pada pembentukan 6C12 adalah ... sma
0,099
1,078
6,047
6,052
12,0099
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Massa satu bahan radioaktif adalah 5,2 gram. Setelah 24 hari kemudian massa bahan tersebut tinggal 1,3 gram. Waktu paruh bahan radioaktif tersebut adalah ... hari
1
2
12
24
48
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Setelah rentang waktu t1, aktivitas suatu zat radioaktif berkurang dari N0 ke N1. Konstanta peluruhan zat radioaktif tersebut adalah ...
1/t1 (ln N1 - ln N0)
1/t1 (ln N1 + ln N0)
1/t1 (ln N0 - ln N1)
t1 (ln N0 - ln N1)
t1 (ln N0 +ln N1)
7.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Suatu bahan memiliki HVL 2 mm untuk radiasi sinar gamma. Intensitas radiasi berkurang 87,5% dari semula. Maka ketebalan bahannya adalah ... mm
0,5
1,0
4,0
6,0
8,0
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