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Download ARPIT 2020 X Ray Crystallography Creation Question Paper

Download Annual Refresher Programme in Teaching (ARPIT) 2020 X Ray Crystallography Creation Previous Question Paper || Annual Refresher Programme in Teaching (ARPIT) Last 10 Years Question Paper

This post was last modified on 19 January 2021

Tags:ARPITX-ray Crystallography2020Question PaperPrevious YearPDFDownloadCreationExamfrdA190121A21118107
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ARPIT Last 10 Years 2011-2021 Previous Question Papers


National Testing Agency

Question Paper Name : X-RAY Crystallography 15 Septe

Subject Name : X-RAY Crystallography

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Creation Date : 2020-09-15 13:26:34

Duration : 180

Total Marks : 100

Display Marks: Yes

Share Answer Key With Delivery Engine : Yes

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Actual Answer Key : Yes

X-RAY Crystallography

Group Number : 1

Group Id : 89951422

Group Maximum Duration : 0

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Group Minimum Duration : 120

Show Attended Group? : No

Edit Attended Group? : No

Break time : 0

Group Marks : 100

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Is this Group for Examiner? : No

X-RAY Crystallography

Section Id : 89951422

Section Number : 1

Section type : Online

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Mandatory or Optional : Mandatory

Number of Questions : 50

Number of Questions to be attempted : 50

Section Marks : 100

Display Number Panel : Yes

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Group All Questions : Yes

Mark As Answered Required? : Yes

Sub-Section Number : 1

Sub-Section Id : 89951435

Question Shuffling Allowed : Yes

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Question Number : 1 Question Id : 8995141800 Question Type : MCQ Option Shuffling : No Display Quest

Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

For diffraction to occur, the condition for the slit width d and wavelength ? should be

  1. Wavelength shorter than the slit width

    2. --- Content provided by‍ FirstRanker.com ---

  2. Wavelength longer than the slit width
  3. Comparable
  4. Slit width should be integral multiple of wavelength

Options:

8995147160.1

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8995147161.2

8995147162.3

8995147163.4

Question Number : 2 Question Id : 8995141801 Question Type : MCQ Option Shuffling : No Display Quest

Mandatory : No Single Line Question Option : No Option Orientation : Vertical

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Correct Marks : 2 Wrong Marks : 0

X-ray diffraction is mainly caused by

  1. Electrons
  2. Neutrons
  3. X-rays

    4. --- Content provided by​ FirstRanker.com ---

  4. Nucleus

Options:

8995147164.1

8995147165.2

8995147166.3

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8995147167.4

Question Number : 3 Question Id : 8995141802 Question Type : MCQ Option Shuffling : No Display Quest

Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

Laue's equations in a lattice arise due to

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  1. Interference
  2. Polarization
  3. Reflection
  4. Refraction

Options:

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8995147168.1

8995147169.2

8995147170.3

8995147171.4

Question Number : 4 Question Id : 8995141803 Question Type : MCQ Option Shuffling : No Display Quest

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Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

In the Bragg's equation when 0 is 0, then the incident ray

  1. Deviates from the normal
  2. Deviates close to normal

    3. --- Content provided by​ FirstRanker.com ---

  3. The d spacing is zero
  4. Goes unaffected

Options:

8995147172.1

8995147173.2

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8995147174.3

8995147175.4

Question Number : 5 Question Id : 8995141804 Question Type : MCQ Option Shuffling : No Display Quest

Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

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The sphere constructed using 1/? as radius in diffraction is called

  1. Limiting sphere
  2. Ewald sphere
  3. Atomic sphere
  4. Laue sphere

    5. --- Content provided by‌ FirstRanker.com ---

Options:

8995147176.1

8995147177.2

8995147178.3

8995147179.4

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Question Number : 6 Question Id : 8995141805 Question Type : MCQ Option Shuffling : No Display Quest

Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

For a given unit cell with parameters a ? b?c and a ? ß? ?, what will happen to the crystal system when a= ß= ?= 90°.

  1. Monoclinic

    2. --- Content provided by​ FirstRanker.com ---

  2. Trigonal
  3. Orthorhombic
  4. Cubic

Options:

8995147180.1

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8995147181.2

8995147182.3

8995147183.4

Question Number : 7 Question Id : 8995141806 Question Type : MCQ Option Shuffling : No Display Quest

Mandatory : No Single Line Question Option : No Option Orientation : Vertical

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Correct Marks : 2 Wrong Marks : 0

The measurable reflections are within the limit of

  1. Laue sphere
  2. Sphere of reflection
  3. Intersection of Ewald spere and Limiting sphere

    4. --- Content provided by‌ FirstRanker.com ---

  4. Sphere of the wavelength.

Options:

8995147184.1

8995147185.2

8995147186.3

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8995147187.4

Question Number : 8 Question Id : 8995141807 Question Type : MCQ Option Shuffling : No Display Quest

Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

For a given value of 0, what will happen to the diffracted intensity in X-ray diffraction experiments.

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  1. Less the electron cloud more the intensity
  2. More the electron cloud, more the intensity
  3. Independent of the electrons
  4. Independent of the nucleus

Options:

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8995147188.1

8995147189.2

8995147190.3

8995147191.4

Question Number : 9 Question Id : 8995141808 Question Type : MCQ Option Shuffling : No Display Quest

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Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

The total number of point groups for the seven crystal systems are

  1. 230
  2. 32

    3. --- Content provided by‌ FirstRanker.com ---

  3. 7
  4. 4

Options:

8995147192.1

8995147193.2

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8995147194.3

8995147195.4

Question Number : 10 Question Id : 8995141809 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

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The direct methods use the

  1. The amplitudes
  2. The square of the amplitudes
  3. The square root of the amplitudes
  4. only the phase angles

    5. --- Content provided by FirstRanker.com ---

Options:

8995147196.1

8995147197.2

8995147198.3

8995147199.4

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Question Number : 11 Question Id : 8995141810 Question Type : MCQ Option Shuffling : No Display Ques

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

The number of unique point groups for the Cubic system are

  1. 7

    2. --- Content provided by‍ FirstRanker.com ---

  2. 4
  3. 6
  4. 5

Options:

8995147200.1

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8995147201.2

8995147202.3

8995147203.4

Question Number : 12 Question Id : 8995141811 Question Type : MCQ Option Shuffling : No Display Ques

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

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Correct Marks : 2 Wrong Marks : 0

Which of the pair of point groups could be converted to hexagonal system.

  1. 3/m,3/mm
  2. 3m, 3/mm
  3. -3, 3/m

    4. --- Content provided by‌ FirstRanker.com ---

  4. 3m, 3/m

Options:

8995147204.1

8995147205.2

8995147206.3

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8995147207.4

Question Number : 13 Question Id : 8995141812 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

What is the unique way to determine the space groups P21 from Pm.

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  1. The systematic absences
  2. From the unit cell
  3. From the point group
  4. Not possible

Options:

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8995147208.1

8995147209.2

8995147210.3

8995147211.4

Question Number : 14 Question Id : 8995141813 Question Type : MCQ Option Shuffling : No Display Que

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Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

What are the centrosymmetric point groups in a trigonal crystal system.

  1. -3,-3m
  2. -3,3/mm

    3. --- Content provided by FirstRanker.com ---

  3. 3/m, 3/mm
  4. -3m,3/m

Options:

8995147212.1

8995147213.2

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8995147214.3

8995147215.4

Question Number : 15 Question Id : 8995141814 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

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Where is the 21 screw along b-axis located in the space group P212121.

  1. 000 along b
  2. 000 along c
  3. c/4 along b
  4. None of the above

    5. --- Content provided by FirstRanker.com ---

Options:

8995147216.1

8995147217.2

8995147218.3

8995147219.4

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Question Number : 16 Question Id : 8995141815 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

What is the third symmetry axis generated by operating two 2-fold symmetry axes in an orthogonal system.

  1. Mirror

    2. --- Content provided by FirstRanker.com ---

  2. Inversion
  3. 2-fold
  4. None of the above

Options:

8995147220.1

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8995147221.2

8995147222.3

8995147223.4

Question Number : 17 Question Id : 8995141816 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

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Correct Marks : 2 Wrong Marks : 0

Which of the following terms is present in the d-spacing calculation for a hexagonal system in reciprocal space.

  1. Cos y*
  2. Cos a*
  3. Cos ß*

    4. --- Content provided by​ FirstRanker.com ---

  4. ? a*?*ß*

Options:

8995147224.1

8995147225.2

8995147226.3

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8995147227.4

Question Number : 18 Question Id : 8995141817 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks: 2 Wrong Marks: 0

In a given unit cell with parameters a? b? c and a? ? ? 90, what is the resulting crystal system when a=b=c and a=ß=?90.

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  1. Cubic
  2. Trigonal
  3. Orthorhombic
  4. Hexagonal

Options:

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8995147228.1

8995147229.2

8995147230.3

8995147231.4

Question Number : 19 Question Id : 8995141818 Question Type : MCQ Option Shuffling : No Display Que

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Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

The scattering power of an atom with respect to sin?/? is

  1. Constant
  2. Increases linearly

    3. --- Content provided by‌ FirstRanker.com ---

  3. Decreases linearly
  4. Decreases exponentially

Options:

8995147232.1

8995147233.2

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8995147234.3

8995147235.4

Question Number : 20 Question Id : 8995141819 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

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Where will an atom show minimum thermal parameter.

  1. At 10 K
  2. At 10 °C
  3. At room temperature
  4. At 0 °C

    5. --- Content provided by FirstRanker.com ---

Options:

8995147236.1

8995147237.2

8995147238.3

8995147239.4

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Question Number : 21 Question Id : 8995141820 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

What do we call a* b* c* and a*ß*y* in crystallography

  1. * Axis and * Angles

    2. --- Content provided by FirstRanker.com ---

  2. Reciprocal lattice unit cell dimensions
  3. a*= 1-a, b*=1-b, c*=1-c
  4. a*=1-a, ß*=1-ß, ?*=1- ?

Options:

8995147240.1

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8995147241.2

8995147242.3

8995147243.4

Question Number : 22 Question Id : 8995141821 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

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Correct Marks : 2 Wrong Marks : 0

What is the physical parameter used in the Patterson function.

  1. The square of the amplitude
  2. The amplitude
  3. The phase angle

    4. --- Content provided by FirstRanker.com ---

  4. The Bragg angle

Options:

8995147244.1

8995147245.2

8995147246.3

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8995147247.4

Question Number : 23 Question Id : 8995141822 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

What will be the equivalent point generated after the operation of a 2-fold rotation parallel to b-axis on the given point x,y,z.

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  1. -x,-y,z
  2. x,-y,-z
  3. x,-y,z
  4. -x,y,-z

Options:

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8995147248.1

8995147249.2

8995147250.3

8995147251.4

Question Number : 24 Question Id : 8995141823 Question Type : MCQ Option Shuffling : No Display Que

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Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

What will be the equivalent point generated after the operation of a mirror plane perpendicular to b-axis on a given point x,y,z

  1. -x,-y,z
  2. x,-y,-z

    3. --- Content provided by FirstRanker.com ---

  3. -x,y,-z
  4. x,-y,z

Options:

8995147252.1

8995147253.2

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8995147254.3

8995147255.4

Question Number : 25 Question Id : 8995141824 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

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A glide plan involves a

  1. Reflection
  2. Translation
  3. Reflection followed by translation
  4. Rotation followed by translation

    5. --- Content provided by FirstRanker.com ---

Options:

8995147256.1

8995147257.2

8995147258.3

8995147259.4

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Question Number : 26 Question Id : 8995141825 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

Find out the function which is minimized during the least squares refinement of a structure.

  1. ?hklWhkl(|Fo|-|Fc|)2

    2. --- Content provided by‌ FirstRanker.com ---

  2. xyz
  3. ?
  4. p(xyz)

Options:

8995147260.1

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8995147261.2

8995147262.3

8995147263.4

Question Number : 27 Question Id : 8995141826 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

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Correct Marks : 2 Wrong Marks : 0

Identify the intercepts of the miller indices 222.

  1. a/2, b/2, c/2
  2. Half in a, twice in b, twice in c
  3. Twice the intercept in a, b, c

    4. --- Content provided by FirstRanker.com ---

  4. Parallel to a, b, c

Options:

8995147264.1

8995147265.2

8995147266.3

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8995147267.4

Question Number : 28 Question Id : 8995141827 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

Identify the relationship between ? and hkl in X-ray diffraction.

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  1. ? is proportional to hkl
  2. ? is inversely proportional to hkl
  3. ? is inversely proportional (hkl)2
  4. ? is independent of hkl

Options:

--- Content provided by FirstRanker.com ---

8995147268.1

8995147269.2

8995147270.3

8995147271.4

Question Number : 29 Question Id : 8995141828 Question Type : MCQ Option Shuffling : No Display Que

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Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

How do you explain the Miller indices 200.

  1. Intercept at 'a/2' parallel to 'b' and 'c'
  2. Twice at 'a' and perpendicular to 'b' and 'c'

    3. --- Content provided by‌ FirstRanker.com ---

  3. Doesn't cut at a, b, c,
  4. Perpendicular to 'a' and parallel to 'b' and 'c

Options:

8995147272.1

8995147273.2

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8995147274.3

8995147275.4

Question Number : 30 Question Id : 8995141829 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

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The value of ? in reciprocal space when a= ß= ?= 90 the equation becomes,

  1. ? = sin-1 ?/2v(h2a*2 + k2 b*2 + l2 c*2 + 2 hk a*b*cos?* + 2 hla*c*cos ß*+ 2 klb* c*cosa*)
  2. ? = sin-1 ?/2v(h2a*2 + k2 b*2 + l2 c*2)
  3. ? = sin-1 ?/2v(h2a* + k2 b* + l2 c* + 2 hla*c*cosß*)
  4. ? = sin-1 ?/2v(h2a* + k2 b* + l2 c* + 2 hk a*b*cos?*)

    5. --- Content provided by⁠ FirstRanker.com ---

Options:

8995147276.1

8995147277.2

8995147278.3

8995147279.4

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Question Number : 31 Question Id : 8995141830 Question Type : MCQ Option Shuffling : No Display Que

Question Mandatory : No Single Line Question Option : No Option Orientation : Vertical

Correct Marks : 2 Wrong Marks : 0

Find out the additional inversion symmetry generated for the space group C2/m.

  1. Inversion at a/4+b/4

    2. --- Content provided by⁠ FirstRanker.com ---

  2. Inversion at 000
  3. Inversion at a/2+b/2
  4. Inversion at ½ ½ 0

Options:

8995147280.1

--- Content provided by‌ FirstRanker.com ---

8995147281.2

8995147282.3

8995147283.4


This download link is referred from the post: ARPIT Last 10 Years 2011-2021 Previous Question Papers

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This post was last modified on 19 January 2021