Question

The speed of light is about $2\times {10}^5$ miles per second.

3.96 years it takes for light to travel between Alpha Centauri and Earth. Is it true? If true enter 1 else 0.

Answer 1

Given: Time taken to travel between Alpha Centauri and Earth $=1.25\times {10}^8$ sec

Time taken to travel between Alpha Centauri and Earth $=\frac{1.25\times {10}^8}{60\times 60\times 24\times 365}=3.96$ years