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

When relatively simple molecules are chemically combined into massive molecules, the reaction is called:

• Fission reaction A
• Fusion reaction B
• Polymerization reaction C
• Any of these D
• None of these E

Whenever a covalent bond is broken in an intrinsic semi-conductor

• hole is created A
• an electron is created B
• an electron hole is generated C
• all of them D

The substance, which exists in two or more crystal forms under different conditions is called:

• Isomorphism Substance A
• Allotropic substances B
• True substances C
• Polymorphous substances D

In a semi-conductor material, the total current is

• only the +ve current A
• only the electronic current B
• sum of +ve and electronic current C
• all of them D

The substances in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called

• diamagnetic substances A
• ferromagnetic substances B
• paramagnetic substances C
• all of them D

Which of the following substances possesses the highest elasticity?

• Al A
• Copper B
• Steel C
• Rubber D

Iron, cobalt and nickle are examples of

• diamagnetic substances A
• ferromagnetic substances B
• paramagnetic substances C
• all of them D

The molecules or ions in a crystalline solid are

• static A
• not static B
• randomly moving C
• all of them D

The SI unit of strain is

• N A
• dynes B
• pascal C
• dimensionless D

The solids which have structure in between order and disorder are called

• amorphous solids A
• polymeric solids B
• crystalline solids C
• all of them D

A wire is stretched to double of its length. Its train is:

• 2 A
• 1 B
• 0 C
• 0.5 D

Which one is ferromagnetic

• Ferries A
• Cobalt B
• Nickel C
• All D

A body is in its state of stress when it is

• Displaced from its equilibrium position A
• Remains at rest when shape changed B
• Their angles change C
• All of them D

Solids have sharp melting points account of

• Long range order of atoms A
• Short range order of atoms B
• Equal strength of inter-atomic bonds C
• An isotropic nature D

The work done by stretching force is the area of

• Trapezium A
• Triangle B
• Rectangle C
• None of these D

Bulk modulus for water is

• 2.2 A
• 4.5 B
• 6.2 C
• 7.3 D

The ultimate tensile strength is

• Greatest stress, a material can endure A
• Stress is increased beyond the yield strength B
• Maximum stress, a material can with stand C
• None of these D

Shear modulus for bone is

• 15 A
• 40 B
• 50 C
• 80 D

The magnetic field produced due to circulating currents. The idea was first given by 

• Faraday A
• Ampere B
• Lenz C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D