Question

It takes light 4 hours and 10 minutes to travel from the sun to the Planet Neptune. How far is Neptune from the sun?

a. 1.2 × 10^8 km
b. 4.5 × 10^9 km
c. 12 × 10^8 km
d. 45 × 10^9 km

Answer 1

Answer:b) 4.5×10^9km

Explanation:use s= vt/1000 here, v= speed of light which is 3×10^8m/s

t= time in second