Questions in semiconductor

Select	Question
	The coordination number of $Cu$
	Which one of the following is the weakest kind of bonding in solids
	In a crystal, the atoms are located at the position of
	Crystal structure of $NaCl$ is
	What is the coordination number of sodium ions in the case of sodium chloride structure
	The distance between the body centred atom and a corner atom in sodium (a = 4.225 Å) is
	A solid that transmits light in visible region and has a very low melting point possesses
	Atomic radius of fcc is
	A solid reflects incident light and it’s electrical conductivity decreases with temperature. The binding in this solids
	The laptop PC’s modern electronic watches and calculators use the following for display