12 The time taken by a monochromatic light to travel a

Last updated: 6/2/2023

12 The time taken by a monochromatic light to travel a certain distance in air in 9 x 10 6 seconds The time take by the light ray to travel the same distance in water of refractive index is 4 1 12 s 27 4 3 4 0 4 m s 2 12 s 27 2 4 us