A bimetallic strip used in thermostats relies on the fact that different metals have different (a) specific heat capacities. (b) thermal energies at different temperatures. (c) rates of thermal...

A bimetallic strip used in thermostats relies on the fact that different metals have different

(a) specific heat capacities.

(b) thermal energies at different temperatures.

(c) rates of thermal expansion.

(d) all of these

Water at 4°C will expand when it is

(a) slightly cooled.

(b) slightly warmed.

(c) both cooled and warmed.

(d) neither cooled nor warmed.