• # question_answer A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.

Frequency = 40 times Time = 4 seconds Frequency in one second $=\frac{40}{4}=10$time Time $=\frac{1}{Frequency}$ $=\frac{1}{10}=0.1$ Seconds   $=\,\frac{1}{Time\,Period\,}=\frac{1}{0.1}=10\,$