UAS Optik Geometri

Quiz
•
Physics
•
University
•
Hard
Iing Mustain KuliahKu
Used 1+ times
FREE Resource
23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Cermin yang selalu menghasilkan bayangan maya tegak diperkecil adalah cermin?
cekung
cembung
datar
gabungan datar dan cembung
gabungan cekung dan cembung
2.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Sebuah benda terletak pada jarak 8 cm di depan cermin cekung yang berjari - jari 12 cm. Sifat bayangan benda terbentuk oleh cermin adalah?
Nyata, terbalik, diperbesar
Nyata, terbalik, diperkecil
Maya, tegak, diperbesar
Maya, tegak, diperkecil
Maya, terbalik, diperkecil
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Sebuah benda berada 25 cm di depan cermin cekung. Jika bayangannya nyata dengan tinggi 4 kali tinggi benda, maka jarak fokus cermin adalah?
5 cm
10 cm
20 cm
25 cm
40 cm
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Sebuah benda diletakkan di depan cermin cekung yang mempunyai jarak fokus 15 cm. Agar bayangan yang terbentuk 3 kali lebih besar dan nyata, benda harus diletakkan di depan cermin sejauh?
10 cm
15 cm
20 cm
30 cm
45 cm
5.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Sebuah benda terletak 5 cm di depan cermin cembung berjari - jari 10 cm. Perbesaran bayangan yang dihasilkan adalah?
1/2 kali
1/4 kali
1 kali
2 kali
4 kali
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Lensa cekung rangkap mempunyai jarak fokus 20 cm sebuah benda terletak pada titik fokus lensa tersebut. Berapakah jarak bayangan terhadap lensa?
20 cm
15 cm
10 cm
5 cm
0 cm
7.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Sebuah lensa bikonveks yang berjari jari 30 cm dan 20 cm, serta indeks bias 1,5 berada di udara. Jarak fokus lensa tersebut adalah?
75 cm
45 cm
30 cm
24 cm
12 cm
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