Chemistry

11th -

12thgrade

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CHEMISTRY solid state

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14 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Which of the following is true about the charge acquired by P type semiconductor?

    positive

    negative

    neutral

    depends on concentration of p impurities

  • 2. Multiple Choice
    1 minute
    1 pt

    to get a n-type semiconductor from silicon it should be dopped with a substance with valence

    2

    1

    3

    5

  • 3. Multiple Choice
    1 minute
    1 pt

    the total number of tetrahedral voids in the face centred unit cell is

    6

    8

    10

    12

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