
Bab 7: Cahaya dan Optik
Quiz
•
Science
•
3rd Grade
•
Practice Problem
•
Hard
TAY Moe
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah jenis kanta yang diaplikasikan oleh projektor LCD?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah ciri-ciri imej yang terbentuk daripada kanta pembesar itu?
Maya, songsang, dibesarkan
Maya, tegak, dibesarkan
Nyata, songsang, dibesarkan
Nyata, tegak, dibesarkan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Objek K diletakkan di hadapan sejenis kanta. Maklumat berikut ialah ciri-ciri imej bagi objek K.
Apakah jenis kanta yang digunakan dan kedudukan objek K?
• Nyata
• Terbalik
• Sama saiz
Kanta cekung, Di F
Kanta cembung, Di antara F dan 2F
Kanta cekung, Di 2F
Kanta cembung, Di 2F
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nyatakan ciri imej yang betul.
Nyata
Mengecil
Sama saiz
Tegak
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sekiranya objek digerakkan ke arah 2F, apakah ciri imej yang akan terbentuk?
Mengecil
Membesar
Terbalik
Sama saiz
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nyatakan peralatan optik yang menggunakan aplikasi di atas.
Projektor LCD
Kanta pembesar
Teleskop
Mikroskop
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jarak di antara kanta objek dan kanta mata bagi sebuah teleskop dalam pelarasan normal ialah 50 cm. Cari panjang fokus kanta objek jika panjang fokus kanta mata ialah 20 cm.
[ Jarak di antara kanta objek dan kanta mata = ƒo + ƒe ]
30 cm
45 cm
70 cm
80 cm
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