Ductility, because it can be observed by altering the shape of the substance , therefore option (a) is correct among all .
The physical property of a metal that can be drawn into the thin wire is called ductility .
A ductile substance can be drawn into a wire.
The materials that are easily deformed when they are put under tensile stress are considered to be ductile.
Most metals are good examples of ductile materials, including gold, silver, copper etc.
Ductility, because it can be observed by altering the shape of the substance , therefore option (a) is correct among all .
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