Question

OPTIONS
Choose the correct option.
20
The light from a laser beam travels at a speed of 3,00,000,000 meters per second. How far can it be
seen within 20 nano seconds, assuming that there is no obstruction in between? (20 nano seconds = 20
x 109 seconds)​

Answer 1

Answer:

32700000000m/s or 3.27 x10⁸ m/s