A speed of light in glass in about 2x 10^8 m/s.
use the Formulae, time/Distance to
find the time (in hours)/speed
pulse of light to travel 7200 km in glass
Answers
Answered by
6
Step-by-step explanation:
Time = Distance / Speed
= 7200/2×10^8
= 3600/10^8
= 3.6× 1000 × 10^-8
= 3.6× 10^3-8
= 3.6× 10^-5 seconds
#ANSWERWITHQUALITY
#BAL
Similar questions