Mini Tryout Astronomi Babak Penyisihan I

Quiz
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Education
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University
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Hard

Anonymous Anonymous
Used 6+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah bintang memiliki massa 3 kali massa Matahari. Berapa radius bintang tersebut jika diperkirakan kepadatan rata-rata bintang tersebut adalah 1 g/cm³?
1,5 kali radius Matahari
2 kali radius Matahari
2,5 kali radius Matahari
3 kali radius Matahari
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Galaksi Andromeda berjarak sekitar 2,5 juta tahun cahaya dari Bumi. Berapa jarak tersebut dalam kilometer?
2,37 x 10^19 km
2,37 x 10^22 km
2,37 x 10^25 km
2,37 x 10^28 km
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah lubang hitam memiliki massa 10 kali massa Matahari. Berapa ukuran radius Schwarzschild lubang hitam tersebut?
29,4 km
294 km
2.940 km
29.400 km
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah bintang memiliki massa 2 kali massa Matahari. Berapa luminositas bintang tersebut jika diasumsikan bintang tersebut berukuran sama dengan Matahari?
1,3 kali luminositas Matahari
2 kali luminositas Matahari
4 kali luminositas Matahari
8 kali luminositas Matahari
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah bintang memiliki luminositas 100 kali luminositas Matahari. Berapa massa bintang tersebut jika diasumsikan bintang tersebut berukuran sama dengan Matahari?
10 kali massa Matahari
20 kali massa Matahari
50 kali massa Matahari
100 kali massa Matahari
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah bintang memiliki massa 1,5 kali massa Matahari. Berapa radius bintang tersebut jika diasumsikan bintang tersebut berukuran sama dengan Matahari?
1,25 kali radius Matahari
1,5 kali radius Matahari
1,75 kali radius Matahari
2 kali radius Matahari
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Galaksi Bima Sakti memiliki diameter sekitar 100.000 tahun cahaya. Berapa jarak dari pusat galaksi ke tepi galaksi?
50.000 tahun cahaya
25.000 tahun cahaya
100.000 tahun cahaya
200.000 tahun cahaya
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