Q: 28 (NDA-II/2014)

ExamRobot is now available as Android Mobile APP. Please use the APP for the most up-to-date features and updates.


 Get it on Google Play
Light waves projected on oil surface show seven colours due to the phenomenon of
question_subject: 
Science
question_year: 
2014
question_exam: 
NDA-II
stats: 
0,376,528,120,320,88,376