Shadows and Pin Hole Camera
1)Light travels in a  

2)are formed when an opaque object comes in the path of light.

3)Which of the following objects are essential for the formation of shadows on a screen?
  

4)A shadow cast by the heavenly bodies is called an 
  

5)Images formed by a pin –hole camera are
  

6)We can see _________ of the object in the mirror. 
  

7)A source of light which is of the size of the head of a common pin is calledsource of light. 


  


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