Cermin (Datar, Cekung dan Cembung)-1
Quiz
•
Physics
•
8th Grade
•
Hard
Fajrul Arief
Used 34+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bayangan yg dibentuk oleh cermin datar selelau bersifat, kecuali.....
Maya
Nyata
Tegak
Sama besar
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Seseorang dengan tinggi badan 160 cm berdiri di depan cermin datar. Agar orang tersebut dapat melihat seluruh bayangannya, maka berapakah panjang cermin datar minimal yg diperlukan?...
60 cm
80 cm
120 cm
160 cm
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Didepan cermin cekung (+) dengan jari-jari (R) = 40 cm diletakkan sebuah benda pada jarak 10 cm dari cermin. Bayangan yg terbentuk tidak mungkin bersifat...
Maya
Tegak
Diperbesar
Semua jawaban salah
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika diketahui sebuah paku diletakkan 10 cm di depan cermin cekung (+) yg memiliki fokus = 20cm, berapakah perbesaran bayangan yg dihasilkan?
2 kali
4 kali
6 kali
Semua jawaban salah
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah benda berada pada jarak sejauh 10 cm di depan cermin cekung (+). Jika bayangan yg dihasilkan bersifat maya dan berada pada jarak 20 cm di belakang cermin, berapakah jari-jari cermin cekung tersebut?
40 cm
30 cm
20 cm
10 cm
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sebuah benda terletak pada jarak 30 cm di depan cermin cekung (+). Bayangan tersebut menjadi 1,5 kali benda. Besar jarak titik fokus cermin adalah.....
12 cm
18 cm
24 cm
36 cm
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui seekor semut berada di depan cermin cekung (+) pada jarak 30 cm dan menghasilkan bayangan bersifat nyata pada jarak 45 cm. Berapakah perbesaran bayangan yg dihasilkan oleh cermin tersebut?
1 kali
1.5 kali
2 kali
2.5 kali
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