Question

When using a stopwatch, a person actually times a process by waiting for a signal and...

When using a stopwatch, a person actually times a process by waiting for a signal and then clicking the button of a stopwatch. If the person has a 0.25 s response time between noticing the signal and clicking the button, will this response time cause random, systematic, or measurement errors? How to reduce the errors?

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Answer #1

Since response time taken as a fixed quantity, therefore it shall be considered as systematic error , as this error is keep on getting added in every measurement or readings.

To reduce the systematic error , we shall make use of the technique- fixing zero error.

Thus , first of all we shall find our response time which comes out to be 0.25 second and then subtract this value from every reading.

Please ask your doubts or queries in the comment section below.

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