Online Test physics 03

1.A solid ball of metal has a spherical cavity inside it. When the balll is heated the volume of the cavity ill





2.A ring shaped piece of metal is heated. If the metal expands, the hole will





3.Fish and other aquatic creatures can live inside a deep frozen pond because,





4Expansion of a rod when heated





5.A metal plate has a hole in it. If the plate is heated, the size of the hole will





6.A thermostat is a device used





7.Bimetallic strips are used as reliable thermostatic n





8.If the pressure increases, the freezing point of the substances expanding on the solidifying





9.When a mass of cold water is heat in a glass flask





10.Heat is transmitted from one end of a metal rod to its other end by the method







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