Ijmb Model Questions Vol1 2021 Physics Question 1

Practice practical question 1 from the 2021 Ijmb Model Questions Vol1 Physics examination. This question covers Measurements and Units .

Ijmb Model Questions Vol1 2021 Physics Practical

Topic: Measurements and Units

Question 1 IJMB_MODEL_QUESTIONS_VOL1 • 2021 • PHYSICS • practical

An irregularly shaped solid metal object is to be investigated for its density using the water‑displacement method. The following apparatus are provided: a clean dry beaker (capacity 250 mL) graduated in 10 mL divisions, a set of calibrated weighing trays, a digital balance (readings to 0.01 g), and a thin rubber stopper. The candidate is required to:

Question Parts

( a )

Record the mass of the solid (in grams) and the initial and final water readings (in millilitres) after the solid is completely immersed.

( b )

Using the data obtained, calculate (i) the volume of water displaced by the solid (in cm³) and (ii) the density of the solid (in g cm⁻³). Show all steps.

( c )

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

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About This Question

This is Ijmb Model Questions Vol1 2021 Physics Question 1. It is one of the practical questions from the 2021 Ijmb Model Questions Vol1 Physics examination.

The question covers Measurements and Units .

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