ALAT OPTIK
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Medium
Saiful IAN
Used 184+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebuah lensa berjarak fokus 10 cm digunakan sebagai lup. Mata normal menggunakan lup tersebut dengan akomodasi maksimum, maka perbesaran anguler lup adalah
2,5 kali
3 kali
3,5 kali
4 kali
5 kali
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Seorang penderita Hipermetropi memiliki titik dekat 50 cm, hendak membaca pada jarak baca normal, maka ia memerlukan kacamata berkekuatan ....
-2 dioptri
-1/2 dioptri
+1/2 dioptri
+2 dioptri
+4 dioptri
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Seorang penderita rabun jauh mempunyai titik jauh 40 cm. agar dapat melihat benda-benda di kejauhan secara normal, maka kekuatan lensa dan jenis lensa kacamata yang harus digunakan adalah ….
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
penderita rabun dekat dapat ditolong dengan kaca mata ....
lensa cembung
lensa cekung
cermin cembung
cermin cekung
lensa rangkap
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sebuah benda yang akan dilihat dengan menggunakan mikroskop harus diletakan pada . . .
Ruang I lensa objektif
Ruang II lensa objektif
Ruang III lensa objektif
Titik fokus lensa objektif
Titik pusat lensa objektif
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Sebuah mikroskop memiliki panjang fokus lensa objektif dan okuler masing-masing 10 cm dan 5 cm. Jika jarak antara lensa objektif dan okuler 35 cm dan mata tidak berakomodasi, maka perbesaran total mikroskop adalah . . .
18 kali
20 kali
12 kali
15 kali
10 kali
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah teropong bintang memiliki panjang fokus objektif 20 cm. Jika perbesaranya 5 kali dan mata tidak berakomodasi, maka panjang teropong bintang itu adalah . . .
20 cm
16 cm
30 cm
24 cm
25 cm
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