Apakah yang dimaksudkan dengan panjang fokus suatu kanta?
What is meant by the length of a lens?
T5 BAB 7 CAHAYA DAN OPTIK
Quiz
•
Science
•
12th Grade
•
Medium
NURUL Moe
Used 1+ times
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang dimaksudkan dengan panjang fokus suatu kanta?
What is meant by the length of a lens?
Jarak antara imej dengan titik fokus
The distance between the image and the focal point
Jarak antara titik fokus dengan pusat optik
The distance between the focal point and the optical center
Jarak antara imej dengan pusat optik
The distance between the image and the optical center
Jarak antara objek dengan pusat optik
The distance between the object and the optical center
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 13 menunjukkan satu contoh peralatan optik
Diagram 13 shows an example of optical instrument.
Apakah ciri-ciri imej yang dibentuk oleh peralatan optik tersebut?
What are the characteristics of the image formed by the optical instrument?
Maya dan lebih kecil
Virtual and smaller
Nyata dan lebih kecil
Real and smaller
Maya dan lebih besar
Virtual and bigger
Nyata dan lebih besar
Real and bigger
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 24 menunjukkan susunan radas bagi satu penyiasatan. Keputusan penyiasatan menunjukkan bahawa imej yang dihasilkan adalah dibesarkan. Jarak titik fokus,F ke pusat optik ialah 5 cm. Berapakah jarak objek untuk mendapatkan imej yang sama saiz?
Diagram 24 shows the set-up of an investigation. The results of the investigation show that the image produced is magnified. The distance of the focal point, F to the optical centre is 5 cm. What is the distance of the objects to get the same size image?
5 cm
8 cm
10 cm
20 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 25 menunjukkan sinar cahaya yang melalui sejenis kanta. Antara yang berikut, alatan manakah yang menggunakan kanta itu?
Diagram 25 shows a ray light passing through a type of lens. Which of the following instrument use the lens?
Kamera
Camera
Projektor
Projector
Binokular
Binocular
Cermin mata
Eyeglass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 15 menunjukkan kedudukan objek bagi pembentukan imej oleh sejenis kanta
digram 15 shows the position of an object for image formation by a type of lens
antara berikut yang manakah benar bagi ciri imej terbentuk?
which of the following is true for the characteristic of the image formed?
nyata
real
songsang
inverted
dikecilkan
diminished
dibesarkan
magnified
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah teleskop mini mempunyai kuasa pembesaran teleskop 832 kali dan kuasa kanta mata 16 kali. Berapakah kuasa pembesaran kanta objek?
A mini telescope has a magnifying power of 832 times and eyepiece with a magnifying power of 16 times. What is the magnifying power of an object lens?
32 kali
32 times
52 kali
52 times
848 kali
848 times
816 kali
816 times
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 23 menunjukkan gambar rajah sinar bagi suatu objek
diagram 23 shows the ray diagram of an object
antara berikut ciri manakah yang betul bagi imej tersebut?
which of the following is the correct characteristic of the image?
nyata
real
songsang
inverted
dibesarkan
enlarged
sama saiz dengan objek
same size with object
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