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 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