Question

Using the data from your Table 2, fill the following table Table 3 - Calculating the period of oscillation of a pendulum Period AT Trial

Data from table 2

Answer 1

The table gives the data for the time taken to complete 10 oscillations. Time period (or period of oscillation) is the time it takes to complete 1 oscillation. So, period of oscillation here will be:

T = t/10

for example, take trial 1,

t = 13.25s

therefore, period of oscillation for trial 1 is: T = 13.25/10 = 1.325s

$\Delta T$ is the uncertainty in the period of oscillation and so it is equal to the measured uncertainty of the instrument.

$\Delta T = \Delta t$

so, for trial 1, $\Delta T = \pm 0.35s$

repeat for other trials.