https://www.geekmcq.com/
CSS Solved Papers
Physics Chemistry

Engineering :: Production Engineering

  An optical gauge works on the principle of
[A]. Reflection of light rays[B]. Polarisation of light rays
[C]. Interference of light rays[D]. Refraction of light rays
[E]. Dispersion of light rays    

Answer: Option C
ajit kumar said:    
 
Good question
kumar rahul said:    
 
concept
Write your comments here:
Name *:     Email:

© 2012-2025 by GeekMCQ™ Technologies. All Rights Reserved | Copyright | Terms of Use & Privacy Policy | Referals

Contact us: info@geekmcq.com