Question:
38 Refractive index of glass is 1 5 Speed of light in vacuum
Last updated: 6/11/2023
![38 Refractive index of glass is 1 5 Speed of light in vacuum](https://media.kunduz.com/media/sug-question-candidate/20210729123206561385-1965043.jpg?h=512)
38 Refractive index of glass is 1 5 Speed of light in vacuum is 3x10 m s The speed of light in the abovementioned glass is A 4x108 m s B 2 108 m s In the adjacent figure the tension in the string is 39 A 4 mg m B 2 mg T 3m C 4 5 108 m s LB 6 0 3 C mg D 3x108 m s 2 D mg