WorksheetsReflection at spherical surfaces
Total questions: 15
Worksheet time: 9mins
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 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
Image behind the mirror is
virtual
real
upside down
upright
An object 8cm in length is placed at a distance of 40cm in front of a concave mirror of radius of curvature 30cm.Find the position of the image and its size
v = -24cm, h = -4.8cm
v = 24cm , h = 4.8cm
v = -32cm , h = -5.2cm
v - 32cm , h = 5.2cm
An object is placed at a distance of 12cm in front of a concave mirror.It forms a real image four times larger than the object.calculate the distance of the image from the mirror ?
v = -53cm
v = -48cm
v = 53cm
v = 48cm
If the magnification of a mirror is greater than 1, then the mirror is
Convex mirror
Concave mirror
Plane mirror
None of these
The mirror which always give diminished image is
Convex Mirror
Concave Mirror
Plane Mirror
None of these
The mirror for which the magnification is always less than 1
Convex Mirror
Concave Mirror
Plane Mirror
None of these
Spherical mirrors are part of a
Rectangle
Cube
Sphere
Cone
