
Lenses
Authored by MARHAMAH Moe
Physics
10th - 12th Grade
Used 15+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram shows light rays passing through a convex lens. Rajah menunjukkan sinar cahaya bergerak melalui suatu kanta cembung.
Which point, A, B, C or D, is the focal point?
Antara titik A, B, C dan D, yang manakah adalah titik fokus ?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object is placed 15.0 cm in front of a convex lens with a focal length of 10.0 cm. What is the image distance?
Satu objek diletakkan 15.0 cm di hadapan sebuah kanta cembung dengan panjang fokus 10.0 cm. Berapakah jarak imej?
6 cm
25 cm
30 cm
150 cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram shows an object placed in front of a convex lens Rajah menunjukkan suatu objek diletakkan di hadapan satu kanta cembung.
What are the characteristics of the image formed?
Apakah ciri-ciri imej yang terbentuk?
Real, inverted, same size
Nyata, songsang, sama saiz
Real, inverted, magnified
Nyata, songsang, dibesarkan
Virtual, upright, magnified
Maya, tegak, dibesarkan
Real, inverted, diminished
Nyata, songsang, dikecilkan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the characteristic of final image formed by a compound microscope compared to the object?
Apakah ciri-ciri imej terakhir yang dibentuk oleh sebuah mikroskop majmuk berbandingkan dengan objek?
Real, upright and same size as the object.
Nyata, tegak dan sama saiz dengan objek.
Virtual, upright and same size as the object.
Maya, tegak dan sama saiz dengan objek.
Real, inverted and bigger than the object.
Nyata, songsang dan lebih besar daripada objek
Virtual, inverted and bigger than the object.
Maya, songsang dan lebih besar daripada objek.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram shows an objedt placed at a distance, x from a convex lens with a focal legth, f.
Rajah menunjukkan satu objek diletakkan pada jarak x dari kanta cembung dengan panjang fokus, f.
The image formed is virtual and enlarged. The object is at...
Imej yang terbentuk adalah maya dan diperbesarkan. Objek itu berada di...
x > 2f
x = 2f
x < f
f < x < 2f
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The focal length of the objective lens of an astronomical telescope is 100 cm. The magnification of the telescope is 20 times. What is the focal length of the eyepiece?
Panjang fokus bagi kanta objektif suatu teleskop astronomi ialah 100 cm. Pembesaran teleskop astronomi ialah 20 kali. Berapakah panjang fokus bagi kanta mata?
5 cm
20 cm
80 cm
120 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram shows an object is placed in front of a convex lens. The focal length of convex lens is 2 cm.
Rajah menunjukkan sebuah objek diletakkan di hadapan sebuah kanta cembung. Jarak fokus kanta cembung ialah 2 cm.
Determine the location of image formed.
Tentukan lokasi imej yang terbentuk.
4 cm from the object
4 cm dari objek
8 cm from the object
8 cm dari objek
10 cm from the object
10 cm dari objek
4 cm from the focal point
4 cm dari titik fokus
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