MCQs on Forensic Physics

Enhance your Knowledge of Forensic Physics by taking this test.

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#1. Which one of the fibers is NOT the protein fiber?

#2. In trap cases, the pink colour of ‘Phenolphthalein’ fades due to:

#3. Nodes are seen in the following fibre:

#4. Which type of identification mark (serial number) on metal surface cannot be restored after obliteration?

#5. 4-R rule is connected with:

#6. Pitch of male human speech sound ranges between:

#7. The following follows 3-R rule:

#8. Besides silica, the main constituent of Gypsum soil is:

#9. The example of the Vegetable fibre is:

#10. The process of formation of small droplet from the liquid sample is called as:

#11. The refractive index (RI) of most of the glass sample encountered during forensic examination range between:

#12. Which of the following fiber is of mineral origin?

#13. How should soil samples be preserved if they can't be subjected to forensic tests soon after collection?

#14. The following percentage of ridge matching is a positive proof of matching in striation tool marks examination:

#15. The following form of paint sample is most suitable clue in forensic paint analysis:

#16. Which mode of illumination is the best for studying striated tool marks?

#17. The binder composition of paint is provided by:

#18. Approximate percentage range of Aluminium Oxide in Ordinary Portland Cement is:

#19. Hot stage microscope is used in forensic examination of glass of measure:

#20. The turbidity test in the sandy soil sample when conducted experimentally:

#21. Black Mineral color in the soil is generally related to the presence of:

#22. Fibers obtained from animals or plants may also be called as:

#23. Vicat apparatus is used for analysis of cement to observe:

#24. Microscopic fibers are best collected from clothing with the help of :

#25. ‘Ballooning effect’ test is characteristics of:

#26. Some crystalline materials have two indices of refraction. The phenomenon is called:

#27. Scales are found on the following fibre:

#28. Control soil samples for forensic analysis is best collected in:

#29. The annealing temperature for ordinary glass is:

#30. Hammer Marks are:

#31. The Refractive Index of glass can be determined by:

#32. Compressive strength analysis is done in case of:

#33. Thermal fractures on glass sheet are of following type:

#34. Infrared spectra of paint sample without any preprocessing can be obtained by technique of:

#35. Which of the following filters are useful for photography on a shining surface?

#36. Which technique is non-destructive for identification and quantitation of trace elements of forensic samples?

#37. Besides silica, the main constituents of dolomite soil is:

#38. Radial fractures on glass, surface starts on:

#39. The following is a regenerated fiber:

#40. Linen fibre possesses:

#41. Fractures due to heat are:

#42. A tyre track impression in the snow can be classified as:

#43. Emulsion is a coating on all photographic films and papers consisting of light sensitive silver salt in a:

#44. Which one is the major ingredient in the Cement composition?

#45. Composed of a Mixture of Cement, Sand and Gravel is called :

#46. The video editing in digital video format is:

#47. Which one of the following is added to the clinker to prevent the rapid reaction?

#48. Which of the following techniques can be used in analysis of fibres?

#49. The following compound is not present in Borosilicate glass:

#50. Chemical etching is a method for restoration of erased marks on:

#51. Heat resistant glass contains a mixture of silica (75% to 80 %) and which one of the specific constituent (upto 15%):

#52. Which acoustic parameter is associated with the characteristic features of the oral cavity?

#53. IR Spectroscopy is used in the analysis of:

#54. Glare in photography can be best removed by:

#55. An indentation mark is caused by a tool, when it is pressed upon a surface:

#56. Which of the following has the shortest wave length?

#57. The technique used for comparison of trace element profile of soil samples is:

#58. Magnetic powders contain which of the following as one of the constituents?

#59. 4R rule of glass fracture relates to:

#60. The tire treads recorded on moldable material such as earth, clay, snow etc. are known as:

#61. Drill marks are:

#62. From the tire impressions left at the crime scene, it is possible to determine:

#63. Soil sample when moistened with few drops of water and Conc. HCl gives yellow colour due to presence of:

#64. In paint examination, pyrolysis gas chromatography is useful for characterizing

#65. Sequence the electromagnetic waves in decreasing order of wavelength?

#66. Mineralogical analysis can be done with the help of:

#67. The source of sound energy for speech production in human is:

#68. _______ is a super cooled liquid which has attained so high viscosity as to be considered as solid.

#69. The range of lime (CaO) is within ______ in Portland cement.

#70. Nodes are seen in:

#71. Which of the following rare earth oxide is not found in ‘Nernst Glower’?

#72. For preservation of shoe print/tire marks on soft earth, the best way is:

#73. A crater – shaped hole in glass is _______ on the side where the projectile entered the glass:

#74. In the case of firing through windowpane glass, spiral fractures are found on:

#75. An instrument that measures the radiant power of two electromagnetic beams is called:

#76. Glass which is strengthened by introducing stress through rapid heating and cooling of its surface is called:

#77. The following parameters of tool application can produce the sufficient influence on the nature of striation marks produced by screw driver, except:

#78. The Ordinary Portland Cement (OPC) seized for forensic tests analysis is suitably packed in:

#79. Aluminum, calcium, magnesium and cobalt are components of:

#80. The best material for casting the pattern on metallic surface is:

#81. Which microscope has found wide application for the examination of birefringent material present in soil?

#82. Which size of soil particles is termed as clay?

#83. Floatation method used for the analysis of glass samples is used to determine:

#84. Which of these fibers are derived from animals?

#85. Which is the source of Infrared radiation?

#86. During forensic examination of glass, the edge thickness can be measured by:

#87. Those materials which show ‘Birefringence’ phenomenon is known as:

#88. The angle of tool application should be fixed for making standard marks in:

#89. Bulk density test is used to determine:

#90. The following process is responsible for formation of soil:

#91. The process which leaves impressions on the reverse side of the note is:

#92. Pyrolysis gas chromatography is useful technique for characterization of the following paint constituents:

#93. A bright halo observed near the border of a glass particle immersed in a liquid of a different refractive index is known as:

#94. Black mineral colours in the soil are generally related to the presence of the following elements:

#95. Which statement is true when a pointed object makes impact on a window glass pane?

#96. What is required in order to estimate the speed of vehicle from the length of skid?

#97. Which technique is best suited for distinguishing most paint formulations?

#98. Thickness of a specimen entirely in focus under a microscope is known as:

#99. Mull technique is used for the sampling of:

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#100. The wavelength of x-ray:

#101. Compression tool marks are best formed by:

#102. The angle of tool application should be considered for making standard tool marks by:

#103. During gravimetric method of cement analysis, filtrate –D is used for calculation of:

#104. The following material is most suitable for toolmark casting:

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#105. The comparison of test and scene tool marks is usually performed using:

#106. Radial fracture of glass can be helpful in determining:

#107. In density gradient determination method of soil examination, the following liquids are commonly used:

#108. Bromoform is a high density liquid used in ‘Density Gradient Analysis’ of soil analysis can be replaced by:

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