Cahaya dan alat optik

Quiz
•
Science
•
8th Grade
•
Hard
Rusdiana Rusdiana
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah benda tingginya 12 cm diletakan 10 cm di depan cermin cembung yang jari-jari kelengkungan ya 30 cm. Sifat-sifat bayangan yang dibentuk oleh cermin tersebut adalah ....
Nyata, tegak, dan diperbesar
Maya, tegak, dan diperbesar
Maya, tegak, dan di perkecil
Nyata, terbalik, dan diperkecil
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pelangi merupakan salah satu peristiwa yang menunjukan bahwa cahaya memiliki sifat ....
Cahaya tampak
Cahaya dipantulkan
Cahaya dibiaskan
Cahaya merambat lurus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagian mata yang mengatur jumlah cahaya yang masuk ke dalam mata adalah ....
Kornea
Saraf mata
Pupil
Iris
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seseorang ingin melihat suatu benda yang berada di depan mata pada jarak 25 cm. Jika jarak kornea mata ke retina adalah 2,5 cm, maka panjang fokus sistem lensa-kornea agar benda terlihat paling jelas oleh mata orang tersebut adalah .... Cm
2, 24
3, 54
2,26
3,52
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seseorang tidak dapat melihat benda yang berada pada jarak dekat di sebut cacat mata ....
Miopi
Presbiopi
Hipermetropi
Buta warna
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