User talk:Visura1

March 2013
Hello, I'm Nasnema. Your recent edit to the page Refractive index appears to have added incorrect information, so I have removed it for now. If you believe the information was correct, please cite a reliable source or discuss your change on the article's talk page. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. Nasnema  Chat  07:36, 6 March 2013 (UTC)