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Solid State Tes...

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  • Question 1
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    Minimum interplanar spacing required for Bragg ’s diffraction is:

     

  • Question 2
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    Which of the following Bravais lattices exist as face centered unit cell?

     

  • Question 3
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    Comprehension Type
    This section contains a passage describing theory, experiments, data, etc. Two questions related to the paragraph have been given. Each question has only one correct answer out of the given 4 options (a), (b), (c) and (d).
    Perovskite (A), a mineral containing calcium (o), oxygen and titanium crystallises in the following cubic unit cell:

    Q.

    What is the Formula of A?

     

  • Question 4
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    Perovskite (A), a mineral containing calcium (o), oxygen  and titanium crystallises in the following cubic unit cell:

    Q.  What is the oxidation number of titanium in the given lattice? 

     

  • Question 5
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    Matching List Type
    Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.

    Match the primitive unit cells given in Column I with their axial angles axial distances given in Column II and select the correct answer from the codes given

     

  • Question 6
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    One Integer Value Correct Type
    This section contains 5 questions, when worked out will result in an integer value from 0 to 9 (both inclusive)
    Q. A unit cell is characterised by how many parameters?

     

  • Question 7
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    How many types of primitive unit cells are there?

     

  • Question 8
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    In which of the following Bravais lattices, not all axial angles are right angles?

     

  • Question 9
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    A second order Bragg ’s diffraction of X-rays from a set of parallel planes separated by 1.155 occurs at an angle 60 °using wavelength of x. What is the value of x?

     

  • Question 10
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    Number of unit cells in 240 g of element X (atomic mass 40) which crystallises in bcc pattern in yN 0 . What is the value of y?

     

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