ONLINE TEST - Solid state – II - EM

This Quiz is a Simple test for +2 Science group students which contain Questions asked from March - 2006 to Sept - 2016 in Solid state – II. Just participate in it and test your skill.

1. An example for metal deficiency defect is
NaCl
AgCl
FeS
CsCl


2. An ion leaves its regular site and occupies a position in the space between the lattice sites.
Schottky defect
Frenkel defect
Impurity defect
Vacancy defect


3. In a simple cubic cell, each point on a corner is shared by
one unit cell
two unit cells
eight unit cells
four unit cells


4. In Bragg's equation ‘n’ represent
number of moles
Avogadro number
quantum number
order of reflection


5. Rutile is
TiO2
Cu2O
MoS2
Ru


6. Semiconductors which exhibit conductivity due to the flow excess negative electrons are called:
superconductors
n - type semiconductors
p - type semiconductors
insulators


7. The Bragg's equation is
λ = 2d sinθ
nd = 2 λ sinθ
2 λ = nd sinθ
n λ= 2d sin θ


8. The co-ordination number of ZnS is
3
4
6
8


9. The crystal structure of CsCl is
simple cube
face-centred cube
body-centred cube
edge-centred cube


10. The number of chloride ions present per unit of CsCl
6
8
1
4


11. The number of close neighbours in a body centred cubic lattice of identical sphere is
6
4
12
8


12. The size of the anion in Frenkel defect crystal is
larger than the cation
smaller than the cation
equal in size with cation
both are larger in size


13. The total number of atoms per unit cell in bcc is
1
2
3
4


14. The crystal lattice with coordination number four is
CsCl
ZnO
BN
NaCl


15. Which one of the following crystal has 8 : 8 structure?
MgF2
CsCl
KCl
NaCl


16. A regular three dimensional arrangement of identical points in space is called
Unit cell
Space lattice
Primitive
Crystallography


17. An example for Frenkel defect is
NaCl
AgBr
CsCl
FeS


18. Semiconductors are used as
rectifiers
transistors
solar cells
all the above


19. The crystals which are good conductors of electricity and heat are
Ionic crystals
Molecular crystals
Metallic crystals
Covalent crystals


20. The ability of certain ultra cold substances to conduct electricity without resistance is called
Semiconductor
Conductor
Superconductor
Insulator


21. The number of chloride ions that surrounds the central Na+ ion in NaCl crystal is_______
12
8
6
4


22. The smallest repeating unit in space lattice which when repeated over and again results in the crystal of the given substance is called
Space lattice
Crystal lattice
Unit cell
Isomorphism


23. The Coordination number of BN is
3
4
6
8

Thank you for participating in the Quiz & Click "Grade Me" to see your Result.

                                            Tamil Medium