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Free download in PDF Spherical Mirrors General Knowledge(gk) Multiple Choice Questions(MCQs) & Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These general awareness questions or quizzes are provided by Gkseries.
(1)
In the case of concave mirror centre of curvature lies in ………… of the reflecting surface
[A]
boundary
[B]
inside
[C]
outside
[D]
front
(2)
Centre of curvature is not a part of spherical mirror rather it lies ………….. the mirror
[A]
boundary
[B]
inside
[C]
outside
[D]
none of the above
(3)
The centre of sphere of which the reflecting surface of a spherical mirror is a part is called ………………..
[A]
Pole
[B]
centre of curvature
[C]
Radius of Curvature
[D]
Aperture
Answer: centre of curvature
(4)
Pole is generally represented by ……………
[A]
p
[B]
P
[C]
both A and B
[D]
none of the above
(5)
Spherical mirror with reflecting surface curved outwards is called ………………
[A]
spherical mirror
[B]
curved mirror
[C]
convex mirror
[D]
none of the above
(6)
Pole lies on the surface of ………………..
[A]
spherical mirrors
[B]
simple mirror
[C]
plane mirror
[D]
none of the above
Answer: spherical mirrors
(7)
Type of spherical mirror are:
[A]
Concave
[B]
Convex
[C]
both A and B
[D]
none of the above
(8)
Spherical mirror with reflecting surface curved inwards is called ……………
[A]
convex mirror
[B]
concave mirror
[C]
curved mirror
[D]
none of the above
(9)
How many types of spherical mirrors ?
(10)
Mirrors having curved reflecting surface are called as:
[A]
plane mirror
[B]
spherical mirrors
[C]
simple mirror
[D]
none of the above
Answer: spherical mirrors
(11)
Point on principal axis at which parallel rays; coming from infinity; converge after reflection is called the ……………..
[A]
Principal Focus
[B]
Aperture
[C]
Principal Axis
[D]
focal length
(12)
Focal length is equal to half of the ……………..
[A]
centre of curvature
[B]
Radius of Curvature
[C]
Axis
[D]
None of the above
Answer: Radius of Curvature
(13)
The distance from pole to focus is called………….
[A]
Pole
[B]
Aperture
[C]
Principal Axis
[D]
focal length
(14)
Imaginary line passing through the centre of curvature and pole of a spherical mirror is called the ………….
[A]
Principal Axis
[B]
centre of curvature
[C]
Radius of Curvature
[D]
Pole
(15)
The diameter of reflecting surface of a spherical mirror is called …………….
[A]
centre of curvature
[B]
Radius of Curvature
[C]
Pole
[D]
Aperture
(16)
Spherical mirror with reflecting surface curved …………. is called convex mirror.
[A]
inwards
[B]
backwards
[C]
outwards
[D]
none of the above
(17)
The radius of sphere; of which the reflecting surface of a spherical mirror is a part; is called the………….
[A]
centre of curvature
[B]
Radius of Curvature
[C]
Pole
[D]
Aperture
Answer: Radius of Curvature
(18)
Centre of curvature is denoted by letter …..
[A]
c
[B]
C
[C]
o
[D]
none of the above
(19)
The centre of reflecting surface of a spherical mirror is known as……………
[A]
Pole
[B]
Aperture
[C]
Axis
[D]
Curvature
(20)
Spherical mirror with reflecting surface curved ………………… is called concave mirror.
[A]
outwards
[B]
inwards
[C]
backwards
[D]
none of the above
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