1.

Iron, lead and brass spheres of equal masses are heated to a common temperature and are kept on a sheet of wax. The sphere that passes through the plate first is (lead 0.03cal//g//""^(@)C, iron 0.11cal//g//""^(@)C, brass 0.08cal//g//""^(@)C

Answer»

lead
brass
iron
all at the same time

Answer :C


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