Question

6. What is the speed of light in Sl units?
a) 3 x 10 m/s b) 3 x 10 m/s2
c) 3 x 105 km/s d) 300,000,000 m/s
true for a shadow?​

Answer 1

Explanation:

300,000,000 m/s is right answer.

hope its help you.

or,you say as 300,000,000 m/s(3 x 10^8)

Answer 2

300,000,000 m/s !!

Hope it helps you ❤️❤️❤️ !!