Glass Forensics
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Questions and Answers

What is the purpose of document examination?

  • To create official papers
  • To alter the origin of documents
  • To mark documents for identification
  • To provide evidence about suspicious or questioned documents (correct)

What type of glass breaks into small pieces without sharp edges?

  • Tempered glass (correct)
  • Laminated glass
  • Polished glass
  • Safety glass

What is a document?

  • A paper used for wrapping gifts
  • An official paper used for proof or information (correct)
  • An unofficial paper used for information
  • A paper used for decoration

What is the purpose of document examination?

<p>To provide evidence about suspicious or questioned documents (B)</p> Signup and view all the answers

What are the types of ink used in document examination?

<p>Nigrosine, carbon, and ballpoint pen ink (D)</p> Signup and view all the answers

Which test is NOT used to determine glass composition and properties?

<p>Magnetic field analysis (B)</p> Signup and view all the answers

How can watermarks and wire marks be identified?

<p>Through UV light (D)</p> Signup and view all the answers

What type of fractures are often incomplete on safety glass?

<p>Radial and concentric cracks (A)</p> Signup and view all the answers

How should documents be handled?

<p>Handled with care and not marked (D)</p> Signup and view all the answers

What are the types of tests for paper?

<p>Preliminary, physical, and chemical tests (D)</p> Signup and view all the answers

What is the composition of paper?

<p>Loading, sizing, and loading materials (B)</p> Signup and view all the answers

How can watermarks and wire marks be identified?

<p>Through UV light (D)</p> Signup and view all the answers

What is document examination used to determine?

<p>Alterations, forgery, origin, and authenticity of documents (C)</p> Signup and view all the answers

What are the types of ink discussed in the text?

<p>Gallotannic, logwood, nigrosine, carbon, colored writing, and ballpoint pen ink (A)</p> Signup and view all the answers

How should documents be handled?

<p>Not marked and handled with care (A)</p> Signup and view all the answers

How can ballpoint pen ink be identified?

<p>Through paper chromatography (C)</p> Signup and view all the answers

What are the tests for paper?

<p>Preliminary, physical, and chemical tests (B)</p> Signup and view all the answers

How can ballpoint pen ink be identified?

<p>Through paper chromatography (B)</p> Signup and view all the answers

What are the components of paper composition?

<p>Loading, sizing, and loading materials (A)</p> Signup and view all the answers

What problems can be encountered in document examination?

<p>Determining paper composition and age (A)</p> Signup and view all the answers

What are the problems encountered in document examination?

<p>Determining paper composition and age (D)</p> Signup and view all the answers

What is a document?

<p>An official paper used as proof or for information (B)</p> Signup and view all the answers

What is document examination used for?

<p>To determine alterations, forgery, origin, and authenticity (A)</p> Signup and view all the answers

Study Notes

  • The order of bullet impact on a window pane can determine the aggressor.
  • Fractures on safety glass are often incomplete, with radial and concentric cracks not extending fully.
  • Laminated glass does not shatter and cracks may also be incomplete.
  • Tempered glass breaks into small pieces without sharp edges.
  • Fluorescence, spectrographic, X-ray diffraction, density, and polish marks analysis are all tests used to determine glass composition and properties.

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Description

Test your knowledge on glass analysis and fracture patterns with this quiz! Learn about the different types of glass and how they break, as well as the various tests used to determine glass composition and properties. Sharpen your skills in identifying bullet impact patterns and incomplete fractures on safety glass, and discover the differences between laminated and tempered glass. Brush up on your scientific knowledge and take on this challenging quiz today!

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