MDCAT Physics Chapter 13 MCQ Test With Answer for (Deformation of Solids)

In the hysteresis loop, when the current is reduced to zero, the material

• does not retain magnetism A
• retains not retain magnetism B
• retains strong magnetism C
• none of them D

The energy gap is insulators becomes very large and has the value

• Few electron volt (eV) A
• Some electron volt (eV) B
• Several electron volt (eV) C
• None of these D

Bulk modulus for water is

• 2.2 A
• 4.5 B
• 6.2 C
• 7.3 D

The transition from solid to liquid state is:

• Abrupt A
• Slow B
• Continuous C
• Discontinuous D
• Both A and D E

Substances which undergo plastic deformation until they break are called:

• Ductile A
• Brittle B
• Malleable C
• Soft D
• Hard E

The charged nucleus of an atom itself spins, it's magnetic field

• equals the field produced by orbital electrons A
• greater than the field produced by orbital electrons B
• much weaker than the field produced by orbital electrons C
• none of them D

Is there any physical distinction between the valence and conduction band

• Yes A
• No B
• Very small C
• None of these D

Glass is an example of

• crystalline solid A
• amorphous solid B
• polymeric solid C
• none of them D

The process of doping causes resistivity of semiconductor to

• Increase A
• Decrease B
• Same C
• Become zero D

• 
  A
• 
  B
• 
  C
• 
  D

Stree is _________ property of solids

• Electrical A
• Polymeric B
• Conductive C
• Mechanical D

The metals become a magnetic material because of their

• Hardness A
• Alignment of atoms B
• Structure C
• All of them D

Young's modulus for diamond is

• 700 A
• 913 B
• 1100 C
• 1120 D

Insulators are those material in which energy gap is

• very large (several eV) A
• very narrow (= 1ev) B
• either of them C
• none of them D

Examples of polymers are

• Polythene A
• Polystyrene  B
• Nylon  C
• All of them  D

Which of the following has no dimension

• Stress A
• Strain B
• Elastic modulus C
• Both strain and elastic modulus D

Shear modulus for ice is

• 1.2 A
• 2.5 B
• 3 C
• 3.3 D

Polymers are the physical combinations of carbon with:

• Oxygen only A
• Hydrogen B
• Nitrogen C
• All of these D
• None of these E

There are some materials whose resistivity becomes zero below a certain temperature, called

• absolute zero A
• 0° C B
• critical temperature C
• lower fixed point D

The electrons in the outermost shell are called

• Super electrons A
• Valance electrons B
• Full valance C
• Upper deep up D