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PHYSICS MCQ

Reflection of Light · ICSE STD 9 (ICSE - English Medium). 8 questions.

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8 questions · timed · auto-graded

MCQ 11 Mark
A real and enlarged image can be obtained by using a
  • A
    Convex mirror
  • B
    Plane mirror
  • ✓
    Concave mirror
  • D
    Either convex or plane mirror.
Answer
Correct option: C.
Concave mirror
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MCQ 21 Mark
The image formed by a convex mirror is
  • ✓
    Erect and diminished.
  • B
    Erect and enlarged.
  • C
    Inverted and diminished.
  • D
    Inverted and enlarged.
Answer
Correct option: A.
Erect and diminished.
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MCQ 31 Mark
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
  • ✓
    Retraces its path
  • B
    Passes through the focus
  • C
    Passes through the pole
  • D
    Becomes parallel to the principal axis.
Answer
Correct option: A.
Retraces its path
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MCQ 41 Mark
In the barber's shop, two plane mirrors are placed :
  • A
    Perpendicular to each other
  • ✓
    Parallel to each other
  • C
    At an angle $60^\circ $ between them
  • D
    At angle $45^\circ $ between them
Answer
Correct option: B.
Parallel to each other
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MCQ 51 Mark
Two plane mirrors are placed making an angle $60^\circ $ in between them. For an object placed in between the mirrors, the number of images formed will be :
  • A
    $3$
  • B
    $6$
  • ✓
    $5$
  • D
    infinite
Answer
Correct option: C.
$5$
Two plane mirrors are placed making an angle $60^\circ $ in between them. For an object placed in between the mirrors, the number of images formed will be $: 5$
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MCQ 61 Mark
The image formed by a plane mirror is :
  • A
    real
  • B
    virtual
  • ✓
    virtual with lateral inversion
  • D
    real with lateral inversion
Answer
Correct option: C.
virtual with lateral inversion
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MCQ 71 Mark
The image formed by a plane mirror is :
  • A
    Erect and diminished
  • B
    Erect and enlarged
  • C
    Inverted and of same size
  • ✓
    Erect and of same size
Answer
Correct option: D.
Erect and of same size
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MCQ 81 Mark
According to the law of reflection :
  • A
    $i / r =$ constant
  • B
    $\sin i / \sin r=$ constant
  • C
    $i + r =$ constant
  • ✓
    $i = r$
Answer
Correct option: D.
$i = r$
According to the law of reflection $: i = r $
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MCQ - PHYSICS STD 9 Questions - Vidyadip