which of the following feastures are not shown by quartz glass ?

Options

A. this is a crystalline solid
B. Refractive index is same in all the directions
C. this has define heat of fusion
D. this is also called super cooled liquid

Answer

A,C

Explanation

Quartz glass is an amorphous solid so it has not define heat of fusion , this is due to short range order of molecules while quartz glass Is also known as super cooled liquid and isotropic in nature .