GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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4. Do not click the button Submit Test before completing the paper on Answer Sheet.
5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
The curved mirrors have two types of reflecting surfaces. If the surface that bulges out to form a convex surface is the reflecting surface it is called ________________.
Mirror
Convex mirror
Concave mirror
None of these
2
________________ is the straight line joining the centre of curvature to the pole.
Principal axis
Radius of curvature
Focal length
3
The images that cannot be taken on the screen are called ________________ images.
Real
Virtual
Both (a) and (b) are correct.
None of these.
4
A highly polished curved surface whose reflecting surface is a cut part of a hollow sphere of a glass or any polished metal is called ______________.
Plane mirror
Spherical mirror
5
In a spherical mirror, the surface which bulges out is called a ___________________.
Spherical surface
Convex Surface
Concave surface
6
Spherical mirror with reflecting surface curved inwards is called ____________________
Curved mirror
None of these .
7
_________________ is the geometrical centre of the spherical reflecting surface.
Center of curvature
Pole
Linear aperture
8
The images that can be formed on the screen are called _________________ images.
Both (a) and (b) is correct.
9
The distance between the pole and the principal focus is called _________________.
Focus
10
The Image formed by a convex mirror is ________________.
Erect
Smaller in size than the object
All the above
11
Which of the following are correct :
(a) The images that can be formed on the screen are called real images.
(b) The images that cannot be taken on the screen are called virtual images.
Only (a) is correct.
Only (b) is correct.
12
The centre of sphere of which the mirror is a part is called _____________.
Centre of curvature
Angular aperture
13
(a) Center of curvature is the centre of sphere of which the mirror is a part.
(b) Radius of curvature is the centre of sphere of which the mirror is a part.
14
(a) The hollow surface that is on the same side as the centre of the original sphere is called concave surface.
(b) The hollow surface that is on the same side as the centre of the original sphere is called convex surface.
(c) The other surface in spherical mirror which bulges out is called a convex surface.
(d) The other surface in spherical mirror which bulges out is called a concave surface.
Only (a) and (b) are correct.
Only (b) and (c) are correct.
Only (a) and (c) are correct.
Only (c) and (d) are correct.
15
(a) Principal axis is the straight line joining the centre of curvature to the pole.
(b) Linear Aperture is the diameter of the spherical mirror.
(c) Focal length is the distance between the pole and the principal focus.
Only (a) and (b) is correct.
Only (a) and (c) is correct.
All of these