Physics Mcqs

In simple cube one atom or molecule lies at its______________________?

• (A)  Force corners
• (B)  Nine corners
• (C)  Eight corners
• (D)  Six corners

Answer

Submitted By :Ali Uppal

The breaking of crystals along definite direction is called _____________________?

• (A)  Cleavage
• (B)  Symmetry
• (C)  Isotropy
• (D)  Homogeneity

Answer

Submitted By :Ali Uppal

The bulk properties of materials such as their mode of fracture can be related to their____________________?

• (A)  Polymerization
• (B)  Cleavage
• (C)  Microstructure
• (D)  Dislocation

Answer

Submitted By :Ali Uppal

Coercive force is the force which opposes ____________________?

• (A)  Demagnetization
• (B)  Breakage
• (C)  Extension
• (D)  Surface cracking

Answer

Submitted By :Ali Uppal

The curie temperature is that at which ____________________?

• (A)  Semi-conductor becomes conductors
• (B)  Ferromagnetic becomes paramagnetic
• (C)  Paramagnetic becomes diamagnetic
• (D)  Metals become super conductor

Answer

Submitted By :Ali Uppal

Any alteration produced in shapes length or volume when a body is subjected to some external force is called____________________?

• (A)  Stiffness
• (B)  Toughness
• (C)  Extension
• (D)  Deformation

Answer

Submitted By :Ali Uppal

A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?

• (A)  (F1+F2) (121+122)
• (B)  (F1+F2) (122-112)
• (C)  (F1+F2) (12-11)
• (D)  (F1+F2) (12-11)

Answer

Submitted By :Ali Uppal

Materials that undergo plastic deformation before breaking are called __________________?

• (A)  Brittle
• (B)  Ductile
• (C)  Amorphous
• (D)  Polymers

Answer

Submitted By :Ali Uppal

The relationship between Tesla and smaller unit Gauss of magnetic induction is given by_________________?

• (A)  1T = 103 G
• (B)  1T = 10-4 G
• (C)  1T = 10-2 G
• (D)  1T = 104 G

Answer

Submitted By :Ali Uppal

Which one of the following material is most suitable for making core of an electromagnet ?

• (A)  air
• (B)  steel
• (C)  Cu-Ni alloy
• (D)  soft iron

Answer

Submitted By :Ali Uppal