Questions

MCQ

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10 questions · timed · auto-graded

MCQ 21 Mark
Which of the following combination of colour will produce white colour?
  • A
    green + magenta
  • B
    cyan + blue
  • C
    yellow + red
  • red + green
Answer
Correct option: D.
red + green
red + green
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MCQ 41 Mark
The word ‘B’ appears in a plane mirror as ‘8’ due to
  • A
    reflection
  • B
    wrong positioning of the mirror
  • lateral inversion
  • D
    colour addition
Answer
Correct option: C.
lateral inversion
lateral inversion
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MCQ 51 Mark
If you stand 1 m in front of a plane mirror, how far away would you see yourself in the mirror ?
  • 1 m
  • B
    2 m
  • C
    3 m
  • D
    4 m
Answer
Correct option: A.
1 m
1 m
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MCQ 61 Mark
If the angle of incidence for a ray of light is 40°, then its angle of reflection will be
  • A
    20°
  • B
    80°
  • 40°
  • D
Answer
Correct option: C.
40°
40°
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MCQ 71 Mark
An imaginary line drawn perpendicular to the mirror at the point of incidence is called the
  • normal
  • B
    reflected ray
  • C
    incident ray
  • D
    refracted ray
Answer
Correct option: A.
normal
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MCQ 81 Mark
A mirror that has a flat reflecting surface is called a
  • A
    flat mirror
  • B
    spherical mirror
  • plane mirror
  • D
    Normal
Answer
Correct option: C.
plane mirror
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MCQ 91 Mark
Which type of reflection will take place when light is incident on a highly polished surface ?
  • Regular
  • B
    Diffused
  • C
    Irregular
  • D
    normal
Answer
Correct option: A.
Regular
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MCQ 101 Mark
The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as
  • A
    lateral inversion
  • reflection
  • C
    polarization
  • D
    dispersion
Answer
Correct option: B.
reflection
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MCQ - PHYSICS STD 7 Questions - Vidyadip