refractive index of a glass sample is 1.52 and refractive index of a ruby is 1.71 if speed of luck ght in vaccum is 3*10^8 find the speed of light in glass and ruby
This means that the ratio of speed of light in ruby to that of speed if light in vaccum is 1.71.
Sports also help in inculcating a certain discipline as well as 'team spirit' in a person. Aggressive sports activities are gaining more popularity, presenting a way of entertainment to the spectators. Write an article on 'Violent Sports Should Be Banned' taking the help of notes as reference : ♦ Sports for some is a mode of attaining fame, for some it is their job. Some do it with a...