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VVI Question Answer Key 2022

VVI Question Answer Key 2022

VVI  Objective Question

VVI Qbjective

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VVI Qbjective

  • Is the SI unit of lens power.
    A dieafter
    B. Agastrum
    C lux
    D m.
    Ans : A
  • Image is formed by a plane mirror.
    A real
    B imaginary
    C. Both A and B
    D none of these
    Ans : B
  • Mirrors are used in the headlight of the car.
    A concave mirror
    B convex mirror
    C plane mirror
    D none of these
    Ans : A
  • A mirror is installed in front of the driver of the car.
    A concave mirror
    B convex mirror
    C plane mirror
    D concave lens
    Ans : B
  • A ray of light travels.
    A in a straight line
    B in a curved line
    C in any direction
    D none of these
    Ans : A

 

  •  The speed of light is minimum.
    A in water
    B in vacuum
    C in the air
    D in the glass
    Ans 😀

VVI Qbjective

  •  A group of rays of light is called.
    A light source
    B illuminated
    C beam
    D scattering
    Ans : C
  • When a ray of light enters through the glass from the air, it is twisted.
    A away from the normal
    B near the normal
    C parallel to the normal
    D none of these
    Ans : B
  •  A mirror or lens in a photography camera has an objective.
    A concave lens
    B convex lens
    C concave mirror
    D convex mirror
    Ans : B
  •  A mirror is used in the side mirror of a motor vehicle.
    A concave mirror
    B convex mirror
    C convex lens
    D Prism
    Ans : B

VVI Qbjective

  •  Is the unit of electrical resistance.
    A ampere
    B bolt
    C watt
    D ohm
    Ans 😀
  •  The SI unit of electric current is
    A ampere
    B bolt
    C watt
    D ohm
    Ans : A

VVI Qbjective

  •  The SI unit of potential difference is
    A Jul
    B watt
    C ampere
    D volt
    Ans 😀

 

  • The SI unit of potential is
    A ampere
    B volt
    C ohm
    D Watt
    Ans : B
  •  The SI unit of electricity is
    A ampere
    B volt
    C ohm
    D Watt
    Ans 😀
  •  The SI unit of resistance is
    A ampere
    B volt
    C ohm
    D Watt
    Ans : C

VVI Question Answer Key 2022

  •  The SI unit of charge is
    A volt
    B ohm
    C joule
    D Kulam
    Ans 😀
  • Which of the following is a good conductor of electricity.
    A plastic
    B granite
    C Sulfur
    D iodine
    Ans : B
  • Which of the following is not a semiconductor.
    A silicon
    B germanium
    C mercury
    D none of these
    Ans : C

VVI  Objective Question

  • What is an imaginary image?
    A. upright B. upside down C. both D. none of these
    Ans : A
  • What is the number of principal focus in the lens?
    A. One B. Two C. Three D. None of these
    Ans : A

 

  • Which mirror is suitable for shaving?
    A. concave B. convex C. plane D. none of these
    Ans : C
  • The reflective surface of a search light is?
    A. concave B. convex C. plane D. none of these
    Ans : B
  • How many laws of refraction of light are there?
    A. One B. Two C. Three D. Four
    Ans : B

VVI Qbjective

 

  • Used in solar cooker.
    A. Concave mirror B. Convex mirror C. Plane mirror D. None of these
    Ans : A
  •  Image is formed by a convex lens.
    A. Equal and upright B. Real and upright C. Real and inverted D. None of these
    Ans : C

 

  • Which mirror is used to see the larger image of a small object?
    A concave mirror
    B convex mirror
    C plane mirror
    D All of these
    Ans : A

VVI  Objective Question

  •  Thin lenses have magnifying power.
    A more
    B less
    C balanced
    D All of these
    Ans : A
  • The power of a lens with two diopters is the focal length.
    A 20 CM
    B 30 CM
    C 40 CM
    D 50 CM
    Ans 😀
  • Convex lens is called.
    A converging lens
    B diverging lens
    C double convex lens
    D none of these
    Ans : A

VVI Qbjective

  • Concave lens is called.
    A converging lens
    B diverging lens
    C double concave lens
    D none of these
    Ans : B
  • Concave lens has power.
    A. positive
    B negative
    C both positive and negative subjective
    D none of these
    Ans : B

VVI  Objective Question

  • Convex lens has power.
    A. positive
    B. negative
    C. Both positive and negative subjectives
    D. none of these
    Ans : A
  • Used to make electromagnet.
    A. soft iron
    B. Nickel
    C. Steel
    D. All of these
    Ans : A

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