Neco 2021 Physics Question 1

Practice practical question 1 from the 2021 Neco Physics examination. This question covers Measurements and Units, Error analysis .

Neco 2021 Physics Practical

Topics: Measurements and Units Error analysis

Question 1 NECO • 2021 • PHYSICS • practical

A metal rod has a true length of 150.0 cm. Using a metre rule and a vernier caliper, a student records three independent measurements of the rod's length as follows: 149.6 cm, 149.8 cm and 149.5 cm. The student is required to:

( a )

Calculate the mean of the three measurements.

( b )

Determine the percentage error of the mean value with respect to the true length.

( c )

Suggest two possible sources of error that could have contributed to the discrepancy between the measured mean and the true length.

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This is Neco 2021 Physics Question 1. It is one of the practical questions from the 2021 Neco Physics examination.

The question covers Measurements and Units, Error analysis .

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