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Light (Saanjali) - Coggle Diagram

- - - - The path of light is blocked by an opaque object
        
        Shadow is formed
- - - - Normal
        
        A line drawn at a right angle (90*) to the surface of a medium where the incident ray strikes
      - Incident ray
        
        A light ray which strikes a surface
      - Reflected ray
        
        A light ray which undergoes a change in speed
      - Angle of incidence
        
        The angle between the incident ray and the normal
      - Angle of reflection
        
        The angle between the refracted ray and the normal
- - - - A measure of how well a substance transmits light.