The Solid State

  • Question 213
    CBSEENCH12005561

    Name an element with which germanium can be doped to produce an n-type semiconductor.

    Solution

    arsenic (As) or phosphorus (P).

    Question 214
    CBSEENCH12005562

    What is the nature of crystal defect produced when sodium chloride is doped with MgCl2?

    Solution

    2Na+ will replaced by Mg2+ ion to maintain electrical neutrality thus ahole created for lattice site for every Mg2+ ion introduce thus the defect produced will schottky defect

    Question 215
    CBSEENCH12005563

    What happens when a ferromagnetic substance is subjected to high temperature?

    Solution

    When ferromagnetic substance is subjected to high temperature it loses its magnetic property and become paramagnetic in nature this happen due to disorder ness in electronic arrangment.

    Question 216
    CBSEENCH12005564

    Name a substance which on addition to AgCl causes cation vacancy in it.

    Solution

    Cadium chloride is substance which on addition to AgCl cause cation vacancy in it.

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