Neco 2018 Physics Question 1

Practice essay / theory question 1 from the 2018 Neco Physics examination. This question covers Measurements and Units, Density, Experimental error .

Neco 2018 Physics Essay / Theory

Topics: Measurements and Units Density Experimental error

Question 1 NECO • 2018 • PHYSICS • essay

A student is required to determine the density of an irregularly shaped solid using the water‑displacement method in the school laboratory.

Question Parts

( a )

Describe, in clear steps, how the experiment should be set up and carried out to obtain the mass and volume of the solid.

( b )

The mass of the solid was measured as 150.0 g and the volume obtained from water displacement was 45.0 cm³. Calculate the density of the solid in \(\text{g cm}^{-3}\).

( c )

Identify two possible sources of systematic error in this experiment and suggest a method to reduce each error.

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About This Question

This is Neco 2018 Physics Question 1. It is one of the essay questions from the 2018 Neco Physics examination.

The question covers Measurements and Units, Density, Experimental error .

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