Monday, 24 February 2014

SOLIDS STATE 1



                                 YASH    CLASSES
       
              

   1.Define  a unit  cell of crystal   and crystalline solid ?
 
   2. what  different  types  of  unit cell of crystal line solid you ?
  
  3. What do you   mean  by  crystal   lattice  ?
   
  4. Explain isotropy  and  anisotropy  ?
  
 5.What is meant by  close packing of solids and  how many types ?

 6. What  are  interstitial in  a crystal ?

 7 . What  is  schottky  defects  relating  to  crystals  ?

 8. what  frenkel defect ? explain by example ?

 9. Compare  the  proper Amorphous  solids  with  those  of  crystalline solids .

 10 . Write  formula  to  obtain   density of unit cell .

 11. Explain  what  is  meant  by  super conductivity  ? Give  few  example .