
PEMBIASAN LENSA
Presentation
•
Science
•
8th Grade
•
Easy
Rosafina Spd
Used 1+ times
FREE Resource
6 Slides • 1 Question
1
PEMBIASAN LENSA
2
Jenis -Jenis Lensa
Lensa Cembung (Positif)
Lensa Cekung (Negatif)
3
Pengertian Lensa Cembung
Lensa cembung adalah benda bening tembus cahaya dengan bagian tengah lebih tebal daripada bagian tepi. Lensa cembung bersifat mengumpulkan sinar (konvergen) karena sinar-sinar datang yang sejajar sumbu utama akan dibiaskan menuju titik fokus lensa. Bagian-bagian pada lensa cembung dapat kamu lihat pada gambar disamping
4
Keterangan
P1 dan P2=Titik pusat bidang lengkung lensa
P1P2=Sumbu utama lensa
R1 dan R2=Jari-jari kelengkungan permukaan lensa
O=Pusat optik lensa
OP1 dan OP2=Jari-jari kelengkungan (R)
F1 dan F2=Titik api (titik fokus) lensa
OF1 dan OF2=Jarak fokus lensa (f)
5
Macam-Macam Lensa Cembung
Lensa cembung dibedakan menjadi tiga, yaitu lensa cembung-cembung (bikonveks), lensa cembung-datar (plankonveks), dan cekung-cembung (konkaf konveks).
6
Sinar - Sinar Istimewa Lensa Cembung
Sinar yang datang sejajar sumbu utama akan dibiaskan melalui titik fokus.
Sinar yang datang melalui titik fokus akan dibiaskan sejajar sumbu utama.
Sinar yang datang melalui titik pusat optik lensa tidak akan dibiaskan, tetapi akan diteruskan.
7
Multiple Choice
Lensa terdiri dari......
Lensa cembung saja
Lensa cekung saja
Lensa cekung dan lensa cembung
Lensa rangkap
PEMBIASAN LENSA
Show answer
Auto Play
Slide 1 / 7
SLIDE
Similar Resources on Wayground
8 questions
materi tengah semester genap
Presentation
•
8th Grade
6 questions
Lingkaran
Presentation
•
8th Grade
6 questions
SENI BUDAYA KLS VIII
Presentation
•
8th Grade
7 questions
MATERI SPLDV
Presentation
•
8th Grade
7 questions
Luas Permukaan Kerucut
Presentation
•
8th Grade
7 questions
MATEMATIKA FUN
Presentation
•
8th Grade
7 questions
BANGUN RUANG SISI DATAR
Presentation
•
8th Grade
8 questions
GETARAN, GELOMBANG DAN BUNYI
Presentation
•
8th Grade
Popular Resources on Wayground
10 questions
Safety Day 2026 – Student Review
Quiz
•
9th Grade
21 questions
Continents and Oceans
Quiz
•
6th Grade
20 questions
Parts of Speech
Quiz
•
5th Grade
16 questions
Subject & Predicate
Quiz
•
5th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
12 questions
Map Skills
Quiz
•
3rd Grade
22 questions
Continents and Oceans
Quiz
•
5th Grade
15 questions
Rounding Decimals
Quiz
•
5th Grade
Discover more resources for Science
20 questions
Newton's Laws of Motion
Quiz
•
8th Grade
15 questions
potential and kinetic energy
Quiz
•
8th Grade
21 questions
Newton's Laws of Motion
Quiz
•
8th Grade
20 questions
Elements, Compounds and Mixtures
Quiz
•
8th Grade
10 questions
Exploring Chemical and Physical Changes
Interactive video
•
6th - 10th Grade
20 questions
Physical vs Chemical Changes
Quiz
•
8th Grade
20 questions
Conduction, convection, and Radiation Practice
Quiz
•
8th Grade
21 questions
Waves and Wave Properties
Quiz
•
6th - 8th Grade