What is the time taken by the light to travel from the Sun to the Earth?
10 minutes
15 minutes
8 minutes
3 minutes
The time taken by the sunlight to reach to the earth is;
t=15×1010m3×108ms−1
t=5×102s
t=500s
t=50060minutes
t≃8minutes
Thus,
Option A) 8minutes is the correct option.
Question 93
The time taken by Rohan in five different races to run a distance of 500 m was 3.20 minutes, 3.37 minutes, 3.29 minutes 3.17 minutes and 3.32 minutes find the average times taken by him in the races.