
fisika
Quiz
•
Biology
•
3rd Grade
•
Practice Problem
•
Medium
Pekik Wicaksono
Used 1+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Waktu paruh 29Cu65 adalah 128 hari. Jika semula disimpan 0,8 gram dan ternyata tersisa 0,1 gram unsur tersebut telah disimpan selama ....
128 hari
256 hari
384 hari
640 hari
1280 hari
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Setelah disimpan selama 60 hari, 16 gram radioisotop masih bersisa 2 gram. Berapakah waktu paruh radioisotop tersebut?
10
20
30
40
50
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suatu isotop memiliki waktu paruh 10 menit. Berapakah jumlah isotop yang tersisa setelah 40 menit?
1/4
1/8
1/16
1/32
1/64
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
urutan jenis gelombang elektromagnetik dari frekuensi besar ke kecil adalah ....
gelombang radio, inframerah, cahaya tampak, sinar X
sinar gamma, ultraviolet, inframerah, gelombang mikro
sinar gamma, inframerah, ultraviolet, gelombang radio
gelombang mikro, cahaya tampak, ultraviolet, sinar X
gelombang mikro, cahaya tampak, inframerah, sinar X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada bidang militer dimanfaatkan satelit untuk memotret permukaan bumi meskipun terhalang oleh kabut atau awan menggunakan sinar . . .
mikro
inframerah
radio
X
cahaya tampak
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Matahari merupakan sumber utama dari ….
gelombang radio
sinar ultraviolet
cahaya tampak
sinar inframerah
sinar gamma
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Salah satu pemanfaatan gelombang mikro adalah ....
terapi penyakit encok
membunuh sel kanker
mensterilkan alat-alat kedokteran
memasak makanan dengan lebih cepat
penghantar informasi pada transmitter radio
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