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1000 Solid State Chemistry
Quiz 2
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Q.1
Which of the following is the main factor because of which DTA cells are designed?
a) Minimum sensitivity
b) Maximum solubility
c) Minimum solubility
d) Maximum sensitivity
Q.2
A rapid TGA method is used for which of the following process?
a) Decomposition of enzymes exothermally
b) Decomposition of crystals endothermally
c) Decomposition of reactions isothermally
d) Decomposition of polymers exothermally
Q.3
Which of the following statements is true for Kα transition?
a) It is four let
b) It is triplet
c) It is doublet
d) It is singlet
Q.4
Which of the following statement is true for the optical grating?
a) It gives 2 dimensional analogue of the 3 dimensional process
b) It gives 1 dimensional analogue of the 2 dimensional process
c) It gives 1 dimensional analogue of the 3 directional process
d) It gives 3 dimensional analogue of the 1 dimensional process
Q.5
Which of the following equation is used for the constructive interference in optical grating?
a) a cotα=nλ
b) a secα=nλ
c) a tanα=nλ
d) a sinα=nλ
Q.6
Which of the following unit cell has all the angles atbut the sides are of unequal length?
a) Triclinic unit cell
b) Monoclinic unit cell
c) Hex clinic unit cell
d) Orthorhombic unit cell
Q.7
Which of the following rays are used in the powder method of crystals?
a) β-rays
b) Monochromatic X-rays
c) Gamma rays
d) α-rays
Q.8
Which of the following phenomenon takes place when the arrangement of the crystal is not random?
a) Preferred orientation exits
b) Preferred orientation enters
c) The temperature increases
d) The temperature decreases
Q.9
Cu Kα radiation of wavelength 1.A˚, is generated by which of the following transition?
a) 2s→4s
b) 2p→1s
c) 1s→2p
d) 3s→1s
Q.10
Unit cell parameters are determined by which of the following parameters?
a) Double crystal Gamma rays graphs
b) Single crystal Gamma rays graphs
c) Double crystal X-ray photographs
d) Single crystal X-ray photographs
Q.11
Stress is caused on the crystal by which of the following factor?
a) External pressure
b) External strain applied
c) External change in temperature
d) Internal stress
Q.12
Which one of the following is an additional feature of the focusing cameras?
a) Crystal monochromator
b) Electron stopper
c) X-ray
d) Gamma rays detector
Q.13
Which of the following shapes are formed by the diffracted radiation in the powder method?
a) Spherical
b) Cubical
c) Circular
d) Conical
Q.14
Which of the following phenomenon occur when the waves originate from each line source in the optical grating?
a) Interference
b) Magnetic flux
c) Refraction
d) Reflection
Q.15
Which of the following factor is taken care while selecting the container in the process of vacuum evaporation?
a) Withstand high temperature
b) Chemically reactive
c) Conducting
d) Withstand low temperature
Q.16
Which of the following states the second law of electrolysis reaction?
a) Archimedes principle
b) Faraday’s law
c) Henry’s law
d) Einstein equation
Q.17
Intensities depends on which of the following factors?
a) Emission factor
b) Absorption factor
c) Solubility of the solid
d) Refraction factor
Q.18
Which of the following variables govern the different X-ray techniques?
a) Energy, sample, temperature
b) Heat, mass, proteins
c) Radiation, sample, detector
d) Radiation, diffraction, detector
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