The given unit cell belongs to the type:

Which of the following is the composition of glass?

For amorphous solids,select the correct option using $T$ (True) or $F$ (False) for the following statements:
$(1)$ They soften over a range of temperature.
$(2)$ Their physical properties like electrical conductivity and thermal conductivity are the same in all directions.
$(3)$ The arrangement of their particles is disordered.
$(4)$ They are hard and are less affected by pressure.

Define the term 'Isotropic' property.

Crystalline metal can be transformed into metallic glass by

Which among the following is a physical property of molecular solids?