Forensic Glass Analysis

What is the significance of the refractive index in the analysis of glass evidence?

• It indicates the color of the glass.

• It determines the thickness of the glass.

• It can help identify the source of the glass.

• It measures the weight of the glass.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Which technique is commonly used to analyze the refractive index of glass fragments?

• X-ray diffraction

• Refractive index immersion

• Ultraviolet spectroscopy

• Magnetic resonance imaging

Which type of glass fracture occurs when the force is applied to one side of the glass?

• Radial fracture

• Concentric fracture

• Lateral fracture

• Longitudinal fracture

Glass fragments found at a crime scene can be used as what type of evidence?

• Digital evidence

• Circumstantial evidence

• Testimonial evidence

• Physical evidence

an inorganic compound made of quartz sand and combined with other oxides

• Density

• Glass

• Amorphous Solid

• Isotropic

begin at the site of impact and radiate outward based on the amount of force

• Angle of Refraction

• Hot Stage Method

• Phase Contrast

• Radial Cracks

Tags

NGSS.HS-PS2-3

form perpendicular to radical fractures on the side of the force as the tension and compression ripples throughout the glass

• Concentric Fractures

• Refractive Index

• Anisotropic

precise method used for determining the exact refractive index of glass fragments

• Snell’s Law

• Hot Stage Method

• Phase Contrast

atoms and molecules within glass which are organized in a random structure

• Borosilicate

• Concentric Fractures

• Amorphous Solid

• Isotropic

What is the primary purpose of forensic glass analysis in criminal investigations?

• To determine the age of the glass

• To identify the manufacturer of the glass

• To match glass fragments to a crime scene

• To assess the environmental impact of glass production