3 If any how speed of light in vacuum becomes 1 5 times its

Last updated: 6/24/2023

3 If any how speed of light in vacuum becomes 1 5 times its initial speed then new value of light year in kilometers is 1 1 11 x 10 3 km 3 1 31 x 1013 km 4 1 41 x 1013 km 2 1 21 x 10 3 km