Glass Evidence Quiz

What type of glass is made of two or more panes of glass bonded by a plastic middle layer.

• Laminated glass

• Tempered glass

• Borosillicate glass

• Ordinary house-hold glass

The ______________ of glass is related to its function.

• Color

• Thickness

• Texture

• Weight

What is the phenomenon called when light changes direction as it passes from one medium, such as air, into another medium such as water.

• Reflection

• Shadowing

• Refraction

• Bending

________________ lines start at the point of impact and move outward.

• Concentric fracture

• Bullet holes

• Radial Fracture

• Secondary fracture

______________ are circles around the point of impact.

• Radial fracture

• Concentric fracture

• Bullet holes

• Primary fracture

The angle at which a bullet impacts window glass can help determine the position of the shooter.

• True

• False

Which of the following is the correct formula for calculating the density of glass?

• d = m / V

• d = V / m

• d = m x V

• d = 2mV

What is the formula for refractive index?

• n = C x v

• n = C / v

• n = v / C

• n = C + v

The ______________ method is used to determine the refractive index of small glass fragments.

• Floatation

• Becke line

• Snell's law

• Immersion

A Becke line appears around a piece of glass immersed in a liquid when the liquid has _______________ refractive index than the glass.

• A different

• The same