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WorksheetsFizik Tingkatan 4 : Cahaya dan Optik
Total questions: 10
Worksheet time: 4mins
Which diagram 3 shows the correct reflection of light by a concave mirror?
Rajah sinar yang manakah menunjukkan pantulan cahaya yang betul oleh sebuah cermin cekung?
Diagram shows path of light rays reflected by a concave mirror.
Rajah menunjukkan lintasan sinar cahaya dipantulkan oleh sebuah cermin cekung.
What is the focal length, f, of the concave mirror?
Berapakh panjang focus, f, cermin cekung itu?
12 cm
24 cm
36 cm
48 cm
Diagram shows a ray diagram of a concave mirror.
Rajah menunjukkan sebuah cermin cekung.
Which of the following shows the correct relationship between the object distance, u and the focal length, f ?
Yang manakah menunjukkan hubungan yang betul di antara jarak objek, u dan panjang focus, f ?
u > f
u = f
u = 2f
u > 2f
Diagram shows an object O in front a convex mirror. T is the centre of curvature of the mirror.
Rajah menunjukkan suatu objek O di hadapan sebuah cermin cembung. T ialah pusat kelengkungan cermin itu.
The image is formed at
Imej terbentuk di
J
K
L
M
Diagram shows an object placed 10 cm in front of a concave mirror of focal length, f = 5 cm.
Rajah menunjukkan suatu objek diletakkan 10 cm di hadapan sebuah cermin cekung yang mempunyai panjang fokus, f = 5 cm.
What are the characteristics of the image?
Apakah ciri-ciri imej yang terbentuk?
Real, same size, inverted
Nyata, sama saiz, songsang
Real, diminished, inverted
Nyata, dikecilkan, songsang
Virtual, same size, upright
Maya, sama saiz, tegak
Virtual, diminished, upright
Maya, dikecilkan, tegak
Diagram below shows a concave mirror.
Rajah di bawah menunjukkan sebuah cermin cekung.
The distance between F and P is
Jarak di antara P dan F ialah
The focal length of the mirror
Jarak fokus cermin.
The diameter of the sphere which the mirror was cut.
Diameter sfera di mana cermin dipotong.
The line joining the pole to the centre of the curvature.
Garis yang menyambung kutub ke pusat lengkung.
The radius of the sphere form which the mirror was cut.
Jejari sfera di mana cermin di potong.
Which is the following is the application of concave mirror?
Manakah antara berikut adalah aplikasi cermin cekung?
side mirror of the car
cermin pandang sisi kereta
blind mirror at the corner of the road
cermin keselamatan di selekoh jalan
reflector of the torchlight
pemantul lampu suluh
security mirror in the grocery shop
cermin tersembunyi di dalam kedai runcit
The advantage of using convex mirror is
Kelebihan menggunakan cermin cembung ialah
cheap
murah
easy to reach
mudah diperolehi
wide field of version
pemandangan yang luas
enlarged image
imej dibesarkan
A pencil is placed in front of a concave mirror. Diagram below shows the image of the pencil in the mirror.
Sebatang pensel diletakkan di hadapan sebuah cermin cembung. Rajah menunjukkan imej pensel pada cermin itu.
Name the phenomenon involved in the formation of the image.
Namakan fenomena yang terlibat dalam pembentukan imej itu.
Refraction
Pembiasan
Reflection
Pantulan
Total internal reflection
Pantulan dalam penuh
Inertia
Inersia
A pencil is placed in front of a concave mirror. Diagram below shows the image of the pencil in the mirror.
Sebatang pensel diletakkan di hadapan sebuah cermin cembung. Rajah menunjukkan imej pensel pada cermin itu.
State the characteristics of the image.
Nyatakan ciri-ciri imej.
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 size dengan objek.
Real, inverted and bigger than the object.
Nyata, songsang dan lebih besar daripada objek.
Virtual, upright and bigger than the object.
Maya, tegak dan lebih besar daripada objek.
