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FSC LEVEL Physics of solids

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    FSC LEVEL Physics of solids

    Physics of solids:

    1. Crystalline solids are in the form of:
    (A) Metals
    (B) Ionic compounds
    (C) Ceramics
    (D) Both (A) and (B)
    (E) All of these

    2. The solids are classified as:
    (A) Metals
    (B) Crystalline
    (C) Amorphous
    (D) Polymeric
    (E) All except A

    3. Zirconia is classified as:
    (A) Ceramic solid
    (B) Ionic compound
    (C) Metal
    (D) Either (A) or (B)
    (E) Either (B) or (C)

    4. Each atom in a metal crystal vibrates about a fixed point with an amplitude that:
    (A) Decreases with rise in temperature
    (B) Is not affected by rise in temperature
    (C) Increases with rise in temperature
    (D) Both (B) and (C)
    (E) None of these

    5. The transition from solid to liquid is actually from:
    (A) Order to disorder
    (B) Disorder to order
    (C) Order to order
    (D) Disorder to disorder
    (E) None of these

    6. The transition from solid state to liquid state is:
    (A) Abrupt
    (B) Slow
    (C) Continuous
    (D) Discontinuous
    (E) Both (A) and (D)

    7. The force which maintains the strict long range order between atoms of a crystalline solid is the:
    (A) Nuclear force
    (B) Cohesive force
    (C) Adhesive force
    (D) Coulomb force
    (E) None of these

    8. The word amorphous means:
    (A) Without any structure
    (B) With definite structure
    (C) Regular arrangement of molecules
    (D) Both (B) and (C)
    (E) None of these

    9. Amorphous solids:
    (A) Have definite melting point
    (B) Are called glassy solids
    (C) Have no definite melting point
    (D) Both (B) and (C)
    (E) Both (A) and (C)

    10. An ordinary glass gradually softens into a ‘paste-like’ state before it becomes a very viscous liquid. It happens almost at:
    (A) 800ᵒC
    (B) 500ᵒC
    (C) 300ᵒC
    (D) 100ᵒC
    (E) None of these

    11. The pattern of a crystalline solid is:
    (A) One dimensional
    (B) Two dimensional
    (C) Three dimensional
    (D) Four dimensional
    (E) None of these

    12. In a cubic crystal, all the sides meet at:
    (A) 60ᵒ
    (B) 90ᵒ
    (C) 109ᵒ
    (D) 30ᵒ
    (E) 10ᵒ

    13. The arrangement or molecules or atoms in a crystalline solid can be studied by using:
    (A) Chemical methods
    (B) Neutrons
    (C) X-ray techniques
    (D) Copper atoms
    (E) Both (A) and (B)

    14. A unit cell is the smallest basic structure which is:
    (A) One dimensional
    (B) Two dimensional
    (C) Three dimensional
    (D) Four dimensional
    (E) None of these

    15. Tick the one which is not a crystalline solids:
    (A) Zirconia
    (B) Glass
    (C) Copper
    (D) Ceramic solid
    (E) An ionic compound

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