Tnpsc Group 4 Physics Online test 16

1.  Sun, Fire Flies, Jelly Fish are _____ Source of Light
   
   1.  None of the above
   2.  Partially Natural
   3.  Natural
   4.  Artificial 
   
   
2.  Oil Lamp, Decrative Lamp, Chimney lamp are ____ Light
   
   1.  None of the below
   2.  Partially Natural
   3.  Natural 
   4.  Artificial
   
   
3.  See an object we need
   
   1.  A source of Light, Object to be seen, Observer
   2.  Light
   3.  Object
   4.  Observer
   
   
4.  Moon is _____ body
   
   1.  None of the below
   2.  Partially Luminous
   3.  Luminous
   4.  Non Luminous
   
   
5.  Sun Light reach the earth _____
   
   1.  5 Minute and 20 seconds
   2.  6 Minute and 20 seconds
   3.  7 Minute and 20 seconds
   4.  8 Minute and 20 seconds
   
   
6.  We should not see sun ____ naked eyes
   
   1.  None of the below
   2.  Directly
   3.  Indirectly
   4.  Use telescope
   
   
7. Light travels in _____
   
   1.  None of the below
   2.  Square Line
   3.  Straight Line
   4.  Irregular Line
   
   
8.  Transparent object example is
   
   1.  Brick
   2.  Chair
   3.  Wooden Door
   4.  Glass
   
   
9.  The object which allow light to pass through them are called
   
   1.  None of the Below
   2.  Transclucent Objects
   3.  Transparent Objects
   4.  Opaque object
   
   
10.  Light travels in Straight Line this property is called
    1.  Light travel
    2.  Sound
    3.  Light
    4.  Rectilinear propagation of Light
    
    

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