Answers

2015-09-20T20:40:46+05:30
Its value is exactly 299792458 meters per second (≈3.00×10^
8 m/s
)
1 5 1
2015-09-20T20:42:32+05:30
The constant value of speed of light in vacuum is 3*10 to the power 8 m/s
1 5 1