For pane (1 1 1) of SC having a lattice parameter ‘a’, planar atomic density is given by?

Substitution of a foreign atom in the site of parent atom in the crystal is a?

Edge dislocation imperfection is a sub type of _____________

Vacancy defects in solids is a sub type of __________

Twin or Twinning is a category of ________

As the grain size of a metal increases, its strength ________

 Phenomenon of cross slip occurs in ________

The imperfection in the crystal structure of metal is called

The bond formed by transferring electrons from one atom to another is called

The defect which takes place due to imperfect packing of atoms during crystallisation is known as