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PHYSICS
FORM 4
MODULE 5
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MODULE 5: LIGHT
Arahan:
1. Modul ini mengandungi tiga puluh soalan. Semua soalan adalah dalam bahasa
Inggeris.
2. Modul merangkumi enam konstruk yang diuji
K1-Memahami soalan dalam Bahasa Inggeris K3-Memahami istilah sains dalam Bahasa Inggeris K5-Menguasai konstruk pengetahuan
K6-Menguasai konstruk kefahaman K7-Menguasai konstruk kemahiran
K8-Mengeluarkan maklumat/idea dalam Bahasa Inggeris
3. Murid hendaklah menulis maklumat diri dalam kertas jawapan objektif
disediakan. Murid juga perlu memastikan maklumat konstruk, nombor soalan dan jumlah soalan seperti yang dibaca oleh guru di dalam ruangan disediakan dalam kertas jawapan objektif sebelum ujian.
4. Bagi soalan objektif, anda perlu menandakan jawapan dengan menghitamkan pilihan jawapan pada pilihan jawapan A , B , C atau D pada kertas jawapan
objektif. Contoh:
Antara berikut, yang manakah haiwan?
A. Pokok B. Kambing C. Kereta D. Pen
5. Untuk soalan subjektif, jawapan hendaklah ditulis pada kertas berasingan
yang disediakan oleh guru.
6. Jawab semua soalan.
Modul ini mengandungi 21 halaman bercetak
D
1. An object of height 10.0 cm is placed 20.0 cm from a convex lens of focal
length 30 cm. The magnification of the image formed is 3. What is the focal length of the convex lens?
A. 3.0 cm
B. 10.0 cm
C. 20.0 cm
D. 30.0 cm
2. The figure shows a light ray travelling from air into a semicircular glass block.
The angle of incidence is 42o while the angle of refraction is 90o. The refractive index of glass is 1.63.
What is the angle of incidence? A. 420
B. 480 C. 900
3. A girl is standing 2.0 m away from a plane mirror. When she walks 0.5 m
further away from the mirror, she is now 2.5 m away from the mirror, and 5.0 m away from her image in the mirror.
The distance between the girl and her image in the mirror is now
A. 0.5 m B. 2.0 m C. 2.5 m D. 5.0 m 42o 48o 90o
4. The refractive index, n, of water is the ratio of real depth, H, to the apparent
depth, h.
The refractive index is
A. Real depth x Apparent depth B.
depth Real
depth Apparent
C. ApparentRealdepthdepth
5. The figures show various types of optical instruments and their functions.
Helps in study of planets and stars in outer space
Helps to see very tiny things
Helps to see distant objects
Corrects short-sightedness and long-sightedness
What is a microscope used for? A. To look at distant objects B. To look at very tiny things
C. To correct short-sightedness and long-sightedness D. To study planets and stars in the outer space
Binoculars Spectacles Telescope Microscope
6. The figure shows a pair of binoculars.
What is the light phenomenon that occurs when a light ray passes through the prisms?
A. Refraction B. Diffraction C. Reflection
D. Total internal reflection
7. The figure shows an object placed in front of a convex lens.
The image formed on the screen is A. virtual
B. upright C. inverted
object
8. For questions 8 to 10, choose the best terminology that best relates to each photograph shown. A. Critical angle B. Inverted image C. Diminished image D. Magnified image 9. A. Reflection B. Refraction C. Diffraction D. Interference
10.
A. Refraction B. Reflection C. Diffraction
D. Total internal reflection
11. The figure shows a boy standing in a swimming pool. The father observes
that his son’s legs appear shorter in the water . This is due to
A. reflection B. refraction C. diffraction
12. medium a in light of Speed vacuum in light of Speed = n n represents A. Snell’s law B. power of lens C. refractive index D. linear magnification
13. The figure shows a convex lens.
x represents the A. focal length B. principal axis C. object distance D. image distance object convex lens screen x y
14. A girl looks into a mirror while combing her hair. The image she sees in the mirror is
A. real B. virtual C. inverted D. smaller than her
15. The figure shows a light phenomenon caused by total internal reflection.
What is the natural phenomenon shown? A. Storm
B. Mirage C. Rainbow D. Evaporation
16. Which figure shows correctly light rays passing through a concave lens?
A B
17. The figure shows a glass prism. The critical angle of glass is 42°. A light ray PQ is incident on its surface.
Which figure shows the correct path of the light ray?
P
Q
45
0A B
18. Which of the following ray diagrams is correct? F A C O F C B O F C C O F C D O F
19. The figure shows a torch light with a concave reflector.
A bulb is placed in front of the concave reflector so that light rays are reflected as parallel rays out of the torch light.
Which is the best position of the bulb to illuminate a far object?
A. At F B. At X C. At Y D. At Z X
. . .
Y.
FF- focal point of the concave reflector Z
20. The figure shows a convex mirror used as a blind corner mirror at a sharp
corner.
An advantage of using a convex mirror is that A. the image is magnified
B. it has a wide field of view
C. the size of a near object can be estimated D. the distance of a near object can be estimated
Convex mirror
21. The figure shows a glass full of water placed between a light bulb and a
screen.
Which of the following shows the correct path of the light rays?
A B C D
22. A convex lens of focal length,10.0 cm is used to produce an image of the
same size as the object. Which is the object distance?
A. 0.5 cm
B. 2.0 cm
C. 10.0 cm
D. 20.0 cm
23. The figure shows a light ray passing through a glass block.
What is the refractive index of the glass block? (Refractive index = sinr sini ) A. 1.22 B. 1.35 C. 1.41 D. 1.52 45o 30o
24. The figure shows a candle placed at a distance of 10.0 cm from lens Q. The
screen is placed at a distance of 15.0 cm when a sharp image is formed on it.
What is the focal length of the lens? = + v 1 u 1 f 1 A. 0.17 cm B. 6.0 cm C. 10.0 cm D. 25.0 cm
25. The figure shows a light ray which is incident onto a plane mirror.
What is the value of x? A. 35o
B. 40o C. 55o
26. A student is standing at a position of 2.0 m from a large plane mirror. Then he
walks 0.5 m towards the mirror.
What is the distance between the student and his image in the mirror now?
A. 0.5 m B. 1.5 m C. 3.0 m D. 4.0 m 2.0 m Plane mirror
27. The figure shows parallel rays pass through in convex lens and form a blur
image on the screen. Point F is the focal point of the lens.
A sharp image can be formed on the screen by A. replacing the convex lens with a concave lens B. using a more powerful convex lens
C. adding another convex lens in between the screen and the first lens. D. using a convex lens with a longer focal length.
28.
You are provided with a convex lens of focal length 10.0 cm.
The convex lens is held at a distance less than 10.0 cm from the ant. Compare the size of the image of the ant and the size of the ant.
Parallel rays
screen F
Convex lens
29. When another convex lens is held at a distance above a dry leaf for along time, the leaf is burnt.
How far is the leaf from the lens?
___________________________________________________________ ___________________________________________________________
30. State a reason for the burning of the leaf after a long time.
___________________________________________________________ ___________________________________________________________
leaf
16 17 18 19 20 A B C D E A B C D E A B C D E A B C D E A B C D E 21 22 23 24 25 A B C D E A B C D E A B C D E A B C D E A B C D E 26 27 28 A B C D E A B C D E A B C D E
Tahun/ Tingkatan : 4 Mata Pelajaran: FIZIK
GUNAKAN PENSIL 2B ATAU BB SAHAJA.
TENTUKAN TIAP-TIAP TANDA ITU HITAM DAN MEMENUHI KESELURUHAN RUANG.
PADAMKAN HINGGA HABIS MANA-MANA TANDA YANG ANDA UBAH
SILA HITAMKAN JAWAPAN DI BAWAH MENGIKUT HURUF JAWAPAN YANG ANDA PILIH
KEMENTERIAN PELAJARAN MALAYSIA
KERTAS JAWAPAN OBJEKTIF Ujian Diagnostik 51 52 53 54 55 A B C D E A B C D E A B C D E A B C D E A B C D E 56 57 58 59 60 A B C D E A B C D E A B C D E A B C D E A B C D E 46 47 48 49 50 A B C D E A B C D E A B C D E A B C D E A B C D E 41 42 43 44 45 A B C D E A B C D E A B C D E A B C D E A B C D E 31 32 33 34 35 A B C D E A B C D E A B C D E A B C D E A B C D E 36 37 38 39 40 A B C D E A B C D E A B C D E A B C D E A B C D E 1 2 3 4 5 A B C D E A B C D E A B C D E A B C D E A B C D E 6 7 8 9 10 A B C D E A B C D E A B C D E A B C D E A B C D E 11 12 13 14 15 A B C D E A B C D E A B C D E A B C D E A B C D E
Konstruk No. Soalan Jumlah Soalan Bilangan Soalan Gagal Dijawab Kegunaan Guru K1 K3 K5 K6 K7 K8 1-5 6-10 11-15 16-20 21-27 28-30 5 5 5 5 7 3 1 2 3 4 5 6 7 8 Nama Pelajar:
