POSTEST - ALAT OPTIK
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Easy
Wiendy Pembelajar
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagian mata yang berfungsi memfokuskan cahaya ke retina adalah …
Kornea
Iris
Lensa mata
Retina
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi retina dalam mata adalah …
Mengatur besar kecilnya cahaya yang masuk
Mengatur ketebalan lensa mata
Tempat terbentuknya bayangan
Mengumpulkan cahaya dari benda jauh
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses perubahan ketebalan lensa mata untuk menyesuaikan jarak pandang disebut …
Akomodasi
Refleksi
Transmisi
Dispersion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketika melihat benda jauh, maka otot siliaris … dan lensa menjadi …
Kontraksi, menebal
Relaksasi, menipis
Relaksasi, menebal
Kontraksi, menipis
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketika melihat benda dekat, otot siliaris akan … sehingga lensa menjadi …
Relaksasi, menipis
Relaksasi, menebal
Kontraksi, menebal
Kontraksi, menipis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fungsi iris pada mata adalah …
Membentuk bayangan pada retina
Mengatur ketebalan lensa
Mengatur banyaknya cahaya yang masuk
Membentuk sinyal ke otak
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam cahaya terang, pupil akan … agar …
Membesar, cahaya masuk lebih banyak
Mengecil, cahaya masuk lebih sedikit
Membesar, mata lebih tajam
Mengecil, penglihatan lebih terang
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