Siapakah tokoh yang pertama menemukan sinar -X?

8.1 Sejarah Penemuan Keradioaktifan

Quiz
•
Science
•
10th Grade
•
Hard
Guru Moe
Used 2+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wilhelm Roentgen
Henri Becquerel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Siapakah tokoh yang pertama menemukan sinaran radioaktif?
Wilhelm Roentgen
Henri Becquerel
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Siapakah tokoh yang pertama menemukan sinar gama yang dikeluarkan oleh radium?
Wilhelm Roentgen
Henri Becquerel
Marie dan Pierre Curie
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah maksud keradioaktifan?
proses penggabungan secara spontan suatu nukleus yang stabil dengan memancarkan sinaran radioaktif.
proses pereputan secara spontan suatu nukleus yang tidak stabil dengan memancarkan sinaran radioaktif.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Antara yang berikut, yang manakah unit keradioaktifan?
curie (Ci)
Joule (J)
becquerel (Bq)
Watt (W)
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Antara yang berikut, yang manakah contoh unsur radioaktif?
Karbon-14
Karbon 12
oksigen
Uranium-238
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pa-234 mereput menjadi U-234 dengan memancarkan sinar beta. Jika separuh hayat bagi Pa-234 ialah 5.2 jam, berapakah jisim Pa-234 yang tinggal selepas 20.8 jam dengan jisim asalnya 32 g?
2g
4g
10g
16g
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