Physics

A thin wire with heavy weights attached to both ends is hung over a block of ice resting on two supports. If the wire cuts through the ice block while the block remains solid behind the wire, the process is called

When very hot water is poured into two identical thin and thick glass tumblers in equal volumes, the thick one cracks because

When the ultraviolet light is incident on certain metallic surface, particles are emitted. These particles are called

A vapour whose molecules are in dynamic equilibrium with those of its own liquid is said to be