Tnpsc Group 4 Physics Online test 17


  1.  Spectacles, Clear Water, Pure Air are example of
    1.  None of the below
    2.  Translucent objects
    3.  Transparent objects
    4.  Opaque objects

  2.  The objects which allow the lights to pass through them partially is called
    1.  None of the below
    2.  Transparent objects
    3.  Opaque objects
    4.  Translucent objects

  3.  Air with dust particles, mist, ground glass, a sheet of paper smeared with oil example of
    1.  Translucent objects
    2.  Transparent objects
    3.  Opaque objects
    4.  None of the above

  4.  Object which do not allow light to pass through them are called
    1.  None of the below
    2.  Translucent objects
    3.  Transparent objects
    4.  Opaque objects

  5.  Wooden Door, Plastic Chair, Brick are example of
    1.  None of the below
    2.  Translucent objects
    3.  Transparent objects
    4.  Opaque objects

  6.  OHP means
    1.  Over hear projector
    2.  Overhead Projector
    3.  Over hellow projector
    4.  None of the above

  7.  ____ objects cast shadow
    1.  None of the below
    2.  Translucent
    3.  Opaque 
    4.  Transparent 

  8.  Cast Shadow need
    1.  None of the above
    2.  Screen
    3.  An opaque object
    4.  Source of Light, An opaque object, Screen

  9.  Shadow is always formed on _____ side of the Light Source
    1.  South
    2.  East & West
    3.  Opposite
    4.  North

  10.  Shadow only shown ____ or ___ of the object not in detail
    1.  None of the below
    2.  Shape, Colour
    3.  Outline, Colour
    4.  Shape, Outline



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