Question

Time for 40 oscillations of a pendulum is measured as t
49.6 s, t2 = 49.9 s and ta = 49.5 s. What is the precisionof the measurement of time?​

Answer 1

Answer:

A person measures the time period of 50 oscillations of a simple pendulum 5 times. The data set is 46 s, 44.5 s, 47.5 s, 45 s and 47 s. If least count of the measuring clock is 0.5 s, then the reported time period should beA simple pendulum makes 20 oscillations in 20 sec. What is the time period and frequency of its oscillations

Explanation:

A person measures the time period of 50 oscillations of a simple pendulum 5 times. The data set is 46 s, 44.5 s, 47.5 s, 45 s and 47 s. If least count of the measuring clock is 0.5 s, then the reported time period should beA simple pendulum makes 20 oscillations in 20 sec. What is the time period and frequency of its oscillations

Answer 2

The precision of the measurement of time is 0.1 seconds

Explanation:

Given:

Number of oscillations = 40

Time for measurements = 48.6. 49.9, 49.5 seconds

To find out:

Precision of the measurement of time

Solution:

From the given time measurements

Since the time is given up to one decimal place

Therefore, it is clear that the least count of the measuring equipment is 0.1 seconds

Thus, the precision of the measurement for 40 oscillations = 0.1 seconds

Hope this answer is helpful.

Know More:

Q: The least count of a stop watch is 1/5 second the time of 20 oscillation of a pendulum is measured to be 25 seconds the maximum percentage error in the measurement of time :

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