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When parallel light rays hit a smooth shiny surface, all the rays are reflected at the same angle. It is called……………
a) regular reflection  
b) diffused reflection
c) both a and b            
d) none of these

a

When parallel light rays hit a rough surface, all the rays are reflected at different angles. It is called………..
a) regular reflection    
b) diffused reflection
c) both a and b            
d) none of these

b