Lensa cekung dan mata

Quiz
•
Science
•
8th Grade
•
Medium
Eka Wijayanti
Used 16+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lensa cekung disebut juga Lensa ....
Trikonkaf
Bikonveks
Bikonkaf
Konkaf bikonkaf
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika bayangan pada lensa cekung terletak di ruang IV, maka sifat bayangan nya adalah...
Maya, tegak, diperbesar
Nyata, terbalik, diperbesar
Maya, tegak, diperkecil
Maya, terbalik, diperbesar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah benda diletakkan 25 cm di depan lensa cekung yang jarak fokusnya sebesar 100 cm. Jika tinggi benda tersebut adalah 15 cm, maka jarak bayangannya adalah .... cm
-5
-10
-15
-20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah benda diletakkan 25 cm di depan lensa cekung yang jarak fokusnya sebesar 100 cm. Maka perbesaran bayangannya adalah .... cm
0,4
0,6
0,8
1,0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah benda diletakkan 25 cm di depan lensa cekung yang jarak fokusnya sebesar 100 cm. Jika tinggi benda tersebut adalah 15 cm, maka tinggi bayangannya adalah .... cm
8
10
12
14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah benda diletakkan 25 cm di depan lensa cekung yang jarak fokusnya sebesar 100 cm. Jika tinggi benda tersebut adalah 15 cm, maka kekuatan lensa tersebut adalah .... dioptri
-0,5
-1,0
-1,5
-2,0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagian mata yang berfungsi untuk mengatur banyaknya cahaya yang masuk / intensitas cahaya ke mata adalah ......
iris
pupil
lensa
retina
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