Question

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

(a) 10^–10 sec to10²⁶ sec

(b) 10^–22 sec to10¹⁸ sec

(c) 10^–15 sec to10¹⁵ sec 

(d) 10²⁰ sec to10²⁵ sec

Answer 1

(b) 10^–22 sec to10¹⁸ sec
The range of time scale is 10^–22 sec to 10¹⁸ sec.