Enhance your Knowledge of Forensic Physics by taking this test.
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#1. Which mode of illumination is the best for studying striated tool marks?
#2. The Refractive Index of glass can be determined by:
#3. Composed of a Mixture of Cement, Sand and Gravel is called :
#4. The comparison of test and scene tool marks is usually performed using:
#5. Drill marks are:
#6. The following form of paint sample is most suitable clue in forensic paint analysis:
#7. Vicat apparatus is used for analysis of cement to observe:
#8. For preservation of shoe print/tire marks on soft earth, the best way is:
#9. Emulsion is a coating on all photographic films and papers consisting of light sensitive silver salt in a:
#10. The source of sound energy for speech production in human is:
#11. The range of lime (CaO) is within ______ in Portland cement.
#12. During forensic examination of glass, the edge thickness can be measured by:
#13. Which one of the following is added to the clinker to prevent the rapid reaction?
#14. Heat resistant glass contains a mixture of silica (75% to 80 %) and which one of the specific constituent (upto 15%):
#15. Infrared spectra of paint sample without any preprocessing can be obtained by technique of:
#16. Mull technique is used for the sampling of:
#17. The wavelength of x-ray:
#18. In trap cases, the pink colour of ‘Phenolphthalein’ fades due to:
#19. The binder composition of paint is provided by:
#20. Which of the following filters are useful for photography on a shining surface?
#21. Fractures due to heat are:
#22. Which one of the fibers is NOT the protein fiber?
#23. Glare in photography can be best removed by:
#24. Bromoform is a high density liquid used in ‘Density Gradient Analysis’ of soil analysis can be replaced by:
#25. Besides silica, the main constituent of Gypsum soil is:
#26. The example of the Vegetable fibre is:
#27. Glass which is strengthened by introducing stress through rapid heating and cooling of its surface is called:
#28. Magnetic powders contain which of the following as one of the constituents?
#29. The angle of tool application should be fixed for making standard marks in:
#30. The following percentage of ridge matching is a positive proof of matching in striation tool marks examination:
#31. Thermal fractures on glass sheet are of following type:
#32. Bulk density test is used to determine:
#33. Microscopic fibers are best collected from clothing with the help of :
#34. Black Mineral color in the soil is generally related to the presence of:
#35. The following parameters of tool application can produce the sufficient influence on the nature of striation marks produced by screw driver, except:
#36. Pitch of male human speech sound ranges between:
#37. Which of the following rare earth oxide is not found in ‘Nernst Glower’?
#38. Compressive strength analysis is done in case of:
#39. 4R rule of glass fracture relates to:
#40. The tire treads recorded on moldable material such as earth, clay, snow etc. are known as:
#41. Besides silica, the main constituents of dolomite soil is:
#42. Radial fractures on glass, surface starts on:
#43. _______ is a super cooled liquid which has attained so high viscosity as to be considered as solid.
#44. In paint examination, pyrolysis gas chromatography is useful for characterizing
#45. The process of formation of small droplet from the liquid sample is called as:
#46. In the case of firing through windowpane glass, spiral fractures are found on:
#47. Hammer Marks are:
#48. ‘Ballooning effect’ test is characteristics of:
#49. The following process is responsible for formation of soil:
#50. 4-R rule is connected with:
#51. How should soil samples be preserved if they can’t be subjected to forensic tests soon after collection?
#52. Compression tool marks are best formed by:
#53. A crater – shaped hole in glass is _______ on the side where the projectile entered the glass:
#54. Approximate percentage range of Aluminium Oxide in Ordinary Portland Cement is:
#55. Aluminum, calcium, magnesium and cobalt are components of:
#56. An instrument that measures the radiant power of two electromagnetic beams is called:
#57. Pyrolysis gas chromatography is useful technique for characterization of the following paint constituents:
#58. Fibers obtained from animals or plants may also be called as:
#59. Chemical etching is a method for restoration of erased marks on:
#60. Some crystalline materials have two indices of refraction. The phenomenon is called:
#61. The following material is most suitable for toolmark casting:
#62. The following compound is not present in Borosilicate glass:
#63. IR Spectroscopy is used in the analysis of:
#64. The video editing in digital video format is:
#65. Control soil samples for forensic analysis is best collected in:
#66. Which technique is non-destructive for identification and quantitation of trace elements of forensic samples?
#67. The technique used for comparison of trace element profile of soil samples is:
#68. What is required in order to estimate the speed of vehicle from the length of skid?
#69. The annealing temperature for ordinary glass is:
#70. Which of these fibers are derived from animals?
#71. Which one is the major ingredient in the Cement composition?
#72. From the tire impressions left at the crime scene, it is possible to determine:
#73. Mineralogical analysis can be done with the help of:
#74. Radial fracture of glass can be helpful in determining:
#75. The angle of tool application should be considered for making standard tool marks by:
#76. Which microscope has found wide application for the examination of birefringent material present in soil?
#77. Which technique is best suited for distinguishing most paint formulations?
#78. Which type of identification mark (serial number) on metal surface cannot be restored after obliteration?
#79. Nodes are seen in:
#80. The refractive index (RI) of most of the glass sample encountered during forensic examination range between:
#81. The turbidity test in the sandy soil sample when conducted experimentally:
#82. An indentation mark is caused by a tool, when it is pressed upon a surface:
#83. Linen fibre possesses:
#84. The Ordinary Portland Cement (OPC) seized for forensic tests analysis is suitably packed in:
#85. Which of the following techniques can be used in analysis of fibres?
#86. The following follows 3-R rule:
#87. Which of the following has the shortest wave length?
#88. The process which leaves impressions on the reverse side of the note is:
#89. The best material for casting the pattern on metallic surface is:
#90. Scales are found on the following fibre:
#91. Floatation method used for the analysis of glass samples is used to determine:
#92. Black mineral colours in the soil are generally related to the presence of the following elements:
#93. Those materials which show ‘Birefringence’ phenomenon is known as:
#94. A tyre track impression in the snow can be classified as:
#95. Which size of soil particles is termed as clay?
#96. The following is a regenerated fiber:
#97. In density gradient determination method of soil examination, the following liquids are commonly used:
#98. During gravimetric method of cement analysis, filtrate –D is used for calculation of:
#99. Sequence the electromagnetic waves in decreasing order of wavelength?
#100. Which is the source of Infrared radiation?
#101. Which of the following fiber is of mineral origin?
#102. Hot stage microscope is used in forensic examination of glass of measure:
#103. A bright halo observed near the border of a glass particle immersed in a liquid of a different refractive index is known as:
#104. Thickness of a specimen entirely in focus under a microscope is known as:
#105. Which acoustic parameter is associated with the characteristic features of the oral cavity?
#106. Soil sample when moistened with few drops of water and Conc. HCl gives yellow colour due to presence of:
#107. Which statement is true when a pointed object makes impact on a window glass pane?
#108. Nodes are seen in the following fibre:
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