SSC MTS EXAM

Detailed explanation-1: -We can see second’s pendulum in vintage clocks. In these clocks, one second will take for a swing in one direction and one second for the next swing. So, it reaches extreme position twice in one oscillation. Hence the time period of second’s pendulum is 2 seconds.

Detailed explanation-2: -A pendulum having time period equal to two seconds is called a seconds pendulum. Those used in pendulum clocks are of this type.

Detailed explanation-3: -The swing era (also frequently referred to as the big band era) was the period (1933–1947) when big band swing music was the most popular music in the United States.

Detailed explanation-4: -The time for one complete cycle, a left swing and a right swing, is called the period.