
Lensa cembung dan cekung
Authored by Dika ago
Physics
8th Grade
Used 16+ times

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8 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Lensa dengan kekuatan lensa Dioptri adalah....
Lensa Cekung dengan jarak fokus - 5 cm
Lensa Cekung dengan jarak fokus - 50 cm
Lensa Cembung dengan jarak fokus 5 cm
Lensa Cembung dengan jarak fokus 50 cm
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Berapa kekuatan Lensa bikonveks dengan jarak titik fokus 20 cm?
2 dioptri
5 dioptri
10 dioptri
12 dioptri
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Sebuah benda dengan tinggi 6 cm diletakkan 20 cm di depan lensa cembung yang berjarak fokus 12 cm, Tentukan jarak bayangannya dan tinggi bayangannya
20 cm dan 9 m
30 cm dan 9 cm
30 m dan 9 cm
40 cm dan 12 cm
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Manakah pernyataan yang benar, sesuai gambar di atas ...
Bayangan lensa cekung (nyata, tegak, diperbesar)
Bayangan lensa cekung (maya, terbalik, diperkecil)
Bayangan lensa cembung (nyata, terbalik, diperbesar)
Bayangan lensa cembung (maya, terbalik, diperbesar)
5.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Sebuah benda berada di depan lensa cembung dengan jarak fokus lensa 20 cm dan jarak benda 30 cm, di hasilkan perbesaran benda sebesar ....
1/2 kali
1 kali
2 kali
4 kali
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Sebuah benda terletak 60 cm di depan lensa cekung. jika bayangan yan terbentuk terletak -40 cm di depan lensa cekung, maka berapakah jarak fokus lensa tersebut
-60 cm
-100 cm
-120 cm
120 cm
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Sebuah benda terletak 60 cm didepan lensa cekung sehingga terbentuk bayangan maya pada jarak 12 cm . Fokus lensa cekung dan perbesarannya adalah?
12 cm dan 1/4
12 cm dan 1/5
15 cm dan 1/5
-15 cm dan 1/5
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