Determination of Young’s modulus with vernier method. To determine Young’s Modulus for copper, two pieces of copper wire seven or eight metres in length are hung from the same support one wire carries a scale of millimetres fixed to it so that the length of the scale is parallel to the wire. A vernier is fixed to the other wire,1 by means of which the scale can be read to tenths of a millimetre. The wire is prolonged below the vernier, and a scale pan attached to it; in this weights can be placed. The wire to which the millimetre scale is attached should also carry a weight to keep it straight. Let us suppose that there is a weight of one kilogramme hanging from each wire.
Determination of Young’s modulus with vernier method
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