COLLECTION: OSCILLATIONS Introduction to Oscillations, Periodic and Oscillatory Motion Presented by: Vaisakh Nair
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Steam In Exhaust
Time Period: The smallest interval of time after which the motion is repeated is called its Period. Its SI unit is seconds and denoted by T.
The reciprocal of T gives the number of repetitions that occur per unit time. This number is called Frequency of the periodic motion. Its SI unit is second inverse or Hertz. 1 Hz is equal to one oscillation per second.
Q: On an average a human heart is found to beat 75 times in a minute. Calculate its frequency and period
a heart = 75/1min = 751(bo sec) Frequena ): 1.25Hz Time peuiod t 1-25 = 0.9 sec
HCF (1, 2,4