PHYSICS TRUE / FALSE

Solids expand the least and gases expand the most on being heated.

A mercury thermometer makes use of the property of expansion of liquids on heating.

Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.

Telephone wires are kept tight between the two poles in winter.

All solids expand by the same amount when heated to the same rise in temperature.

Boiling is a rapid phenomenon.

All molecules of a liquid take part in boiling.

Temperature of a liquid rises during boiling or vaporization

All molecules of a liquid take part in the process of evaporation.

Evaporation takes place only from the surface of liquid.

Evaporation is rapid on a wet day.