Question

(ii) सेकंड लोलक का आवर्तकाल होता है-
(अ) 1सेकण्ड
(बY 2 सेकण्ड
(स) 3 सेकण्ड
(द) 4 सेकण्ड।​

Answer 1

उत्तर है (अ) १सेकण्ड मछढूढतभदद

Answer 2

Explanation:

A seconds pendulum is a pendulum whose period is precisely two seconds. One second for a swing in one direction and one second for the return SWING.

Thus option (b) 2 seconds is the correct answer.