Question

1 year is equal to
option are
1. 3.15x102 s
2. 3.15x10^5 s
3. 3.15x10^7 s
4. 3.15x10^6 S
​

Answer 1

1 year = 365 days.

1 day = 24 hours

=> 365 days = 365 × 24 hours = 8760 hours

1 hour = 60 minutes

=> 8760 hours = 8760 × 60 minutes = 525600 minutes.

1 minute = 60 seconds

=> 525600 minutes = 525600 × 60 s = 31536000 seconds.

Thus, 1 year = 31536000 seconds = 3.15 × 10^7 seconds.

Answer 2

Answer:-

1 year =365days

365 days = 365×24hours

In minutes =365×24×60

In seconds=365×24×60×60=3.15×10^7