Answer:
Option (4)
Explanation:
Here, Speed of light= [tex]3\times10^5[/tex] Km/sec
Distance= [tex]1.5\times10^8[/tex] Km
We know that,
[tex]Speed=\frac{Distance}{Time}[/tex]
[tex]\implies Time=\frac{Distance}{Speed}[/tex]
[tex]Time=\frac{1.5\times10^8}{3\times 10^5}[/tex]
[tex]=0.5 \times10^3[/tex]
=500 sec
=8 minutes 20 sec
Hence, the correct answer is option (4) i.e 8 minutes.