Solid State Tes...

Which crystal system does the unit cell dimensions, $$a\neq b\neq c$$ and $$\alpha= \beta= \gamma$$ represent?

Sodium chloride crystal has a ________ shape.

Pick out the crystalline substance from the following.

Which of the following is an amorphous substance?

The space lattice of graphite is:

Identify the crystalline solid among the following :

Suppose the mass of a single $$Ag-$$atom is $$m$$. $$Ag$$ metal crystallizes in fcc lattice with unit cell of length $$a$$. The density of $$Ag$$ metal in terms of $$a$$ and $$m$$ is: 

The third layer in Figure - B:

Which metal among the following has the highest packing efficiency?

Which among the following solids crystallises as a face centred cube?