Latihan soal lensa dan alat optik

Quiz
•
Physics
•
8th Grade
•
Hard
Devina Putri
FREE Resource
5 questions
Show all answers
1.
OPEN ENDED QUESTION
10 mins • 15 pts
Sebuah lup digunakan untuk melihat benda kecil. Jarak fokus lensa lup adalah 5 cm. Jika mata berakomodasi maksimum dan titik dekat mata pengamat adalah 25 cm, berapakah perbesaran bayangan yang dihasilkan oleh lup tersebut?
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2.
OPEN ENDED QUESTION
10 mins • 15 pts
Sebuah proyektor menghasilkan bayangan nyata pada layar yang berjarak 5 meter dari lensa proyektor. Jika tinggi benda yang diproyeksikan adalah 2 cm dan tinggi bayangan pada layar adalah 50 cm, serta jarak benda dari lensa adalah 20 cm, berapakah jarak fokus lensa proyektor tersebut?
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3.
OPEN ENDED QUESTION
10 sec • 5 pts
Berdasarkan gambar tersebut, gangguan mata yang dialami adalah ....
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4.
OPEN ENDED QUESTION
10 mins • 15 pts
Sebuah benda diletakkan 15 cm di depan sebuah lensa. Bayangan nyata terbentuk pada jarak 30 cm di belakang lensa. Berapakah jarak fokus lensa tersebut?
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5.
OPEN ENDED QUESTION
15 mins • 20 pts
Perhatikan gambar pembentukan bayangan oleh lensa cembung di atas !
Berdasarkan gambar tersebut, berapakah jarak bayangan yang terbentuk oleh lensa cembung?
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