Question

The range of time scale is about .........

(a) 10-10 sec to 1026 sec

(b) 10-22 sec to 1018 sec

(c) 10-15 sec to 1015 sec

(d) 1020 sec to 1025 sec

Answer 1

The range of time scale is about 10-22 sec to 1018 sec .