MCQs on Forensic Physics

Enhance your Knowledge of Forensic Physics by taking this test.

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

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

#3. The following is a regenerated fiber:

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

#5. Which is the source of Infrared radiation?

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

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

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

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

#10. Hammer Marks are:

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

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

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

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#14. The wavelength of x-ray:

#15. Bulk density test is used to determine:

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

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

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

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

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

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

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

#23. Drill marks are:

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

#25. Compression tool marks are best formed by:

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

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

#28. The annealing temperature for ordinary glass is:

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

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

#31. Scales are found on the following fibre:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

#51. The example of the Vegetable fibre is:

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

#53. Linen fibre possesses:

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

#55. 4-R rule is connected with:

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

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

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

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

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

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

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

#63. 4R rule of glass fracture relates to:

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

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

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

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

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

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

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

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

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

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

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

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

#76. Fractures due to heat are:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

#93. Nodes are seen in:

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

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

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

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

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

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

#100. Nodes are seen in the following fibre:

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

#102. The following follows 3-R rule:

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

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

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

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

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

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

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