
Cahaya dan Alat Optik
Authored by Asti Budi Rachmawih astibudi.2024
Others
6th - 8th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Warna cahaya yang memiliki frekuensi tertinggi dalam spektrum terlihat adalah:
A. Merah
B. Hijau
C. Biru
D. Ungu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses pembiasan cahaya terjadi ketika:
A. Cahaya bertabrakan dengan benda
B. Cahaya bergerak memasuki medium dengan densitas berbeda
C. Cahaya diserap oleh permukaan
D. Cahaya terpantul dari permukaan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang terjadi pada cahaya ketika melewati lensa cekung?
A. Cahaya berkumpul
B. Cahaya menyebar
C. Cahaya dipantulkan
D. Cahaya menghilang
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fenomena di mana cahaya dapat membelok saat memasuki medium dengan densitas yang berbeda disebut:
A. Refleksi
B. Pembiasan
C. Difraksi
D. Dispersi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika cahaya putih melewati prisma dan memisahkan menjadi spektrum warna dengan sudut deviasi 30°, berapa sudut pembiasan untuk warna merah, jika indeks bias prisma adalah 1.5?
A. 20°
B. 22.5°
C. 25°
D. 30°
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah sinar cahaya memasuki medium air dari udara dengan sudut datang 40°. Jika indeks bias udara adalah 1 dan indeks bias air adalah 1.33, berapa sudut biasnya?
A. 25°
B. 30°
C. 29.3°
D. 35°
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika sebuah lensa cembung memiliki panjang fokus 20 cm dan digunakan untuk membentuk bayangan dari sebuah benda yang terletak 50 cm dari lensa tersebut, di mana posisi bayangan tersebut?
A. 10 cm
B. 15 cm
C. 25 cm
D. 33.3 cm
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