Question 4
Light travels 1 millimetre in 3.3 picoseconds.
Question a to c - multiple choice question
a
How long does it take for light to travel 1 metre?
330 picoseconds
3.3 nanoseconds
33 nanoseconds
b
How long does it take for light to travel 1 kilometre?
3.3 nanoseconds
33 nanoseconds
3.3 microseconds
c
How far does light travel in 1 nanosecond?
3.03 mm
30.3 mm
303 mm