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5054/32

Physics 5054/32 — October/November 2011

Cambridge O-Level · Practical Test · worked solutions for every part, with the mark scheme

4
questions
30
marks
120
minutes

Topics Experimental Contexts · Observations and Measurements · Analysis, Conclusions and Evaluation · Use of Techniques, Apparatus and Materials

Q15MExperimental ContextsObservations and MeasurementsUse of Techniques, Apparatus and MaterialsAnalysis, Conclusions and EvaluationFree sample

In this experiment, you will determine the density of paper.

You have been provided with

  • a single sheet of paper labelled A,
  • a stack of 100 sheets of paper,
  • a 30 cm ruler,
  • a set square.
(a)
(i)

Determine average values for the length ll and the width ww of the sheet of paper labelled A.

ll = ______
ww = ______

1M
(ii)

Explain, with the aid of a diagram, how you ensured that the average values of ll and ww were determined as accurately as possible.

1M
(b)

(i) The stack contains 100 sheets of paper. Measure accurately the total thickness tSt_S of the stack.

tSt_S = ______

(ii) Hence determine the average thickness tt of a single sheet of paper.

tt = ______

1M
(c)
(i)

The mass mm of the sheet of paper labelled A is written on the paper. Calculate the density of paper using the relationship

density=mlwt.\text{density} = \frac{m}{lwt}.

density = ______

1M
(ii)

State the assumption that you have made in determining the density of the paper.

1M

The rest of this paper

3 more questions
  • Q2Observations and Measurements · Experimental Contexts · Analysis, Conclusions and Evaluation5M
  • Q3Use of Techniques, Apparatus and Materials · Experimental Contexts · Observations and Measurements · Analysis, Conclusions and Evaluation5M
  • Q4Experimental Contexts · Use of Techniques, Apparatus and Materials · Observations and Measurements · Analysis, Conclusions and Evaluation15M
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