Alert: You are not allowed to copy content or view source
Check Olympiad Exam Dates here | Buy Practice Papers for CREST Olympiads here | Individual Registration will close soon on CREST Olympiads. Apply now | Login here to participate in all India free mock test on every Saturday

Normal


Definition of Normal

For a surface: at right angles and directly away. If the surface is not flat then imagine a plane sitting on the surface.


 

  EXPLORE  

70%