Tnpsc Group 4 Physics Online test 18

1.  Shadow cast by an intense beam of light is _____
   
   1.  None of the below
   2.  Colour
   3.  Dark
   4.  Light
   
   
2.  Shadow is always ______ regardless of the colour of the light source
   
   1.  Green
   2.  Red
   3.  White
   4.  Black
   
   
3.  The Size of Shadows various depending between ____ and ____
   
   1.  Object and Source of Light
   2.  Object
   3.  Source of Light
   4.  None of the above
   
   
4.  Distance between object and source of light Increase Size of Shadow is _____
   
   1.  None of the below
   2.  Same of the object
   3.  Increase
   4.  Decrease
   
   
5.  Distance between object and source of light Decrease size of shadow is 
   
   1.  None of the below
   2.  Same of the object
   3.  Decrease
   4.  Increase
   
   
6.  Source of Light, An Opaque and object of the shadow always in ____
   
   1.  Rectangle
   2.  Straight Line
   3.  Square
   4.  None of the above
   
   
7.  When a beam of light falls on the smooth shining surface, it bounces back in to the same medium is called
   
   1.  None of the below
   2.  No Reflection
   3.  Reflection
   4.  Partially Reflection
   
   
8.  Mirror plane and smoth is called
   
   1.  None of the below
   2.  Partially plane mirror
   3.  Mirror
   4.  Plane Mirror
   
   
9.  One side of the Transparent glass is coated with chemical substance it became
   
   1.  None of the below
   2.  Partially plane mirror
   3.  Plane Mirror
   4.  Transference mirror 
   
   
10.  All the highly polished opaque objects show the property of
    1.   None of the below
    2.  Partially Reflection
    3.  Transparent
    4.  Reflection
    
    

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