Gelombang Elektromagnetik
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Easy
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15 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
mendeteksi uang palsu
mendeteksi posisi sebuah objek
mengeringkan cat dengan cepat
mensterilkan alat-alat kedokteran
memeriksa kondisi tulang - tulang retak
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sinar inframerah dapat dimanfaatkan pada kegiatan....
memasak makanan dengan cepat
mensterilkan alat-alat kedokteran
melancarkan peredaran darah
membunuh bakteri dan virus
membawa informasi
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan ciri-ciri gelombang berikut ini!
1) Memerlukan medium untuk merambat.
2) Memiliki cepat rambat yang sama dengan cepat rambat cahaya.
3) Merupakan gelombang longitudinal.
4) Arah perambatannya tidak dapat dibelokkan oleh medan listrik.
5) Dapat mengalami polarisasi.
Ciri-ciri gelombang elektromagnetik ditunjukkan oleh nomor....
1), 2), dan 3)
1), 3), dan 5)
2), 3), dan 4)
2), 4), dan 5)
3), 4), dan 5)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sinar ultraviolet membahayakan kehidupan makhluk hidup karena dapat menyebabkan ….
mutasi gen
kanker kulit
kebakaran hutan
pemanasan global
mencairnya es di kutub
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gelombang Radio merambat pada frekuensi …….. Hz
104 - 109
105 – 1012
102 – 105
10-4 – 104
10-5 – 105
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kecepatan gelombang elektromagnetik …… m/s
3 x 10-8
3 x 108
3 x 10-9
3 x 109
3 x 1010
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