Questions

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19 questions · auto-graded multiple-choice test.

MCQ 11 Mark
For virtual images, the height is while for real images, it is
  • A
    positive, positive
  • B
    negative, positive
  • C
    negative, negative
  • positive, negative
Answer
Correct option: D.
positive, negative
positive, negative
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MCQ 21 Mark
The size of the image of an object placed at the focus of a concave mirror is
  • A
    erect
  • very large
  • C
    same size
  • D
    diminished
Answer
Correct option: B.
very large
very large
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MCQ 31 Mark
The image made by a plane mirror is a image.
  • A
    real
  • virtual
  • C
    inverted
  • D
    diminished
Answer
Correct option: B.
virtual
virtual
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MCQ 41 Mark
A ray of light parallel to principal axis after reflection from concave mirror passes through
  • A
    centre of curvature
  • focus
  • C
    pole
  • D
    optical centre
Answer
Correct option: B.
focus
focus
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MCQ 51 Mark
An image of an object placed at infinite distance from a concave mirror is formed at
  • the focus of the mirror
  • B
    behind the mirror
  • C
    centre of curvature
  • D
    infinity
Answer
Correct option: A.
the focus of the mirror
the focus of the mirror
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MCQ 61 Mark
A rear view mirror of a car is
  • A
    plane mirror
  • B
    concave mirror
  • convex mirror
  • D
    cylindrical mirror
Answer
Correct option: C.
convex mirror
convex mirror
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MCQ 71 Mark
In case of a concave mirror, an erect image is
  • A
    real and enlarged
  • B
    real and diminished
  • C
    virtual and diminished
  • virtual and enlarged
Answer
Correct option: D.
virtual and enlarged
virtual and enlarged
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MCQ 81 Mark
No matter how far you stand from a spherical mirror, your image appears erect. The mirror may be
  • A
    plane
  • B
    concave
  • C
    convex
  • either plane or convex
Answer
Correct option: D.
either plane or convex
either plane or convex
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MCQ 91 Mark
The image formed by a concave mirror is
  • A
    always virtual and erect
  • B
    always virtual and inverted
  • virtual if the object is placed between the pole and the focus
  • D
    virtual if the object is beyond the focus
Answer
Correct option: C.
virtual if the object is placed between the pole and the focus
virtual if the object is placed between the pole and the focus
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MCQ 101 Mark
If the inner surface of the spherical mirror is reflecting, then it is a mirror, and if the outer surface is reflecting then it is mirror.
  • A
    convex, concave
  • B
    convex, plane
  • C
    concave, plane
  • concave, convex
Answer
Correct option: D.
concave, convex
concave, convex
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MCQ 111 Mark
In order to see the full image of a person standing in front of a mirror, the minimum height of the mirror must be
  • A
    same height as that of the person
  • B
    double the height of the person
  • half the height of the person
  • D
    quarter the height of the person
Answer
Correct option: C.
half the height of the person
half the height of the person
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MCQ 121 Mark
A convex mirror is also called as a mirror.
  • A
    converging
  • B
    plane
  • diverging
  • D
    inward curved
Answer
Correct option: C.
diverging
diverging
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MCQ 131 Mark
According to the new sign convention, the of the mirror is taken as origin.
  • A
    focus
  • pole
  • C
    optical centre
  • D
    centre of curvature
Answer
Correct option: B.
pole
pole
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MCQ 141 Mark
The centre of the mirror surface is called its
  • pole
  • B
    centre of curvature
  • C
    principal axis
  • D
    focus
Answer
Correct option: A.
pole
pole
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MCQ 151 Mark
A concave mirror is also called as a mirror.
  • converging
  • B
    diverging
  • C
    plane
  • D
    outward curved
Answer
Correct option: A.
converging
converging
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MCQ 161 Mark
images can be displayed on a screen.
  • A
    Virtual
  • Real
  • C
    Virtual and erect
  • D
    Virtual and inverted
Answer
Correct option: B.
Real
Real
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MCQ 171 Mark
The image formed in a convex mirror is always
  • virtual, smaller and behind the mirror
  • B
    virtual, smaller and in front of the mirror
  • C
    real, smaller and behind the mirror
  • D
    real, smaller and in front of the mirror
Answer
Correct option: A.
virtual, smaller and behind the mirror
virtual, smaller and behind the mirror
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MCQ 181 Mark
In a plane mirror, the perpendicular distance of the image from the mirror is equal to
  • A
    the perpendicular distance of the source from the object.
  • the perpendicular distance of the source from the mirror.
  • C
    the parallel distance of the source from the object.
  • D
    the parallel distance of the source from the mirror.
Answer
Correct option: B.
the perpendicular distance of the source from the mirror.
the perpendicular distance of the source from the mirror
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MCQ 191 Mark
If the reflected rays do not actually meet, such an image is called as image.
  • A
    real
  • virtual
  • C
    magnified
  • D
    inverted
Answer
Correct option: B.
virtual
virtual
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