Question

Period of simple pendulum is measured by stopwatch .What type of errors are possible in time period?
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Answer 1

Answer:

observational error

instrument calibration

instrument inconsistency

manual or actuation , reaction time

Explanation:

observational error- visually spotting the start and end of a period. Can be reduced by timing e.g. 50 beats in one go. Unless you lose count, which is also an observational error

Instrument calibration. - the stop watch may not be correctly regulated

Instrument inconsistency - The start and stop buttons may respond at different rates. can also be reduced by timing multiple beats.

Manual, or actuation, reaction time - the time taken to operate the button, and the idea that you don’t know when in the button stroke the mechanism starts