
Ulangan Harian Kelas 12 IPA
Quiz
•
Others
•
1st Grade
•
Easy
Triana Nurbayani,
Used 4+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Panjang benda diukur oleh pengamat diam adalah 12 m. Berapakah panjang benda itu bila diukur oleh pengamat bergerak dengan kecepatan 0,8 c relatif terhadap benda?
12,6 m
12,2 m
9,6 m
7,2 m
6,2 m
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Suatu peristiwa terjadi selama 3 sekon menurut pengamat yang bergerak menjauhi peristiwa itu dengan kecepatan 0,8 c. Menurut pengamat yang diam, peristiwa itu terjadi dalam selang waktu.....
5,0 s
4,8 s
3,0 s
1,8 s
1,2 s
3.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Seorang pengamat ruang angkasa mengamati adanya dua pesawat yaitu pesawat A dan B yang datang menuju stasiun tersebut dari arah yang berlawanan dengan kecepatan yang sama 3/4 c. Kecepatan relatif pesawat A menurut pesawat B adalah....
9/6 c
8/9 c
24/25 c
4/3 c
3/2 c
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Massa diam sebuah partikel adalah mo, Massa partikel tersebut saat bergerak dengan kecepatan 0,8 c akan bertambah menjadi...
1,25 mo
1,42 mo
1,52 mo
1,67 mo
1,92 mo
5.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Panjang benda diukur saat bergerak menyusut 20 cm dari panjangnya saat diukur dalam keadaan diam. Bila panjang benda diukur dalam keadaan diam panjangnya 1 m dan c = kecepatan cahaya, maka kecepatan gerak benda adalah.....
0,2 c
0,3 c
0,4 c
0,6 c
0,8 c
6.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Massa inti atom 20Ca40 adalah 40,078 sma, jika massa proton = 1,0078 sma dan massa neutron = 1,0087 sma. Maka defek massa nya adalah.....
0,165 sma
0,252 sma
0,262 sma
0,320 sma
0,330 sma
7.
MULTIPLE CHOICE QUESTION
30 sec • 6 pts
Ketika massa inti 6C12 = 12 sma, massa proton = 1,0078 sma dan massa neutron = 1,0086 sma (1 sma = 931 MeV), maka energi ikat tersebut adalah ....
41,107 MeV
47,110 MeV
72,141 MeV
92,141 MeV
107,92 MeV
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