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The Time-Period of a Simple Pendulum.

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Introduction

The time-period of a simple pendulum : 1. Depends on Length of pendulum, L 2. Depends on Acceleration due to gravity, g 3. Does not depend on the mass of the bob 4. Does not depend on the amplitude of oscillations * The time-period of a simple pendulum is directly propotional to the square root of its length. Thus, wen de length of pendulum is made 4 times, then de period will become 2 times, i.e., it'll get doubled. And if the length of a simple pendulum is made one-fourth. Then it time-period will become half, i.e., it will get halved. Thus, as de length of de pendulum is increased, its time-period also increases. ...read more.

Middle

Knowing the time for 20 oscillations, the time for 1 oscillation can be found in each case. In one such experiment, the following observations were obtained (the length of pendulum being kept constant at 1 metre ) : Mass of the bob Time for 20 oscillations Time for 1 oscillation (Time - period, T) 5 g 40.2 s 2.01 s 10 g 40.2 s 2.01 s 15 g 40.2 s 2.01 s 20 g 40.2 s 2.01 s 25 g 40.2 s 2.01 s From the above table we find that even if we use bobs of different masses like 5g, 10 g, 15g, 20g, 24g, etc., the taken for 1 oscillation of pendulum does not change. ...read more.

Conclusion

From this we conclude that as the length of the simple pendulum is increased, its period also increases. It is, however, very important to note that the increase in time period is not proportional to increase in length. This because when we increase the length 4 times, then the increase in time period is only two times and not 4 times as required in the proportional relationship. * Gulf Sahodya Examination' 1992 * Gulf Sahodya Examination' 1993 * Gulf Sahodya Examination' 1994 * Gulf Sahodya Examination' 1995 * Gulf Sahodya Examination'1996 * Gulf Sahodya Examination' 1997 * Gulf Sahodya Examination' 1999 * Gulf Sahodya Examination' 2000 * Gulf Sahodya Examination' 2001 * * * * * I would like to express my gratitude to my Sir MR.Thomas and my friends for helping me finish my project exactly and at the earliest. ...read more.

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