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Help - 9702 Physics May June 2011 Paper 22

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kaliim:
 Question 4.
A student measures the Young modulus of a metal in the form of a wire.
(a) Describe, with the aid of a diagram, the apparatus that could be used. ( 2 marks )
(b) Describe the method used to obtain the required measurements. ( 4 marks )
(C) Describe how the measurements taken can be used to determine the Young modulus.... ( 4 marks )

Any idea on how to answer this question to obtain full marks.. if possible try to put the diagram too ? help please  !  :-\

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