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PCC 274 - Test 2 with complete answers(verified for accuracy).
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PCC 274 - Test 2 with complete answers(verified for accuracy).
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PCC 274 - Test 2 withcomplete answers(verified
for accuracy)
A crater-shaped hole in glass is (blank) on the side where the
projectile enters the glass - answer narrower
A fracture line (blank) terminate at an existing fracture line -
answer will
Sublimation - answer Solids go directly to the gaseous state,
bypassing the liquid state
Density - answer Mass per unit volume
Refraction - answer The bending of a light wave because of change
in velocity
Refraction Index - answer Is determined by the ratio of the velocity
of light in a vacuum to lights velocity in a substance
Birefringence - answer Difference in the two indices (values) of
refraction
Dispersion - answer The process of separating light into its
component colors or frequencies
Wavelength - answer The distance between two successive
identical points on a wave
, Electromagnetic - answer Lights, X-Rays, and radio waves are all
members of this spectrum
Laser - answer Beam of light that has all of its waves pulsating in
unison
Photons - answer Energy particles of light
Glass - answer A hard, brittle, amorphous substance composed
mainly of silicon oxides (sand)
Tempered glass - answer Glass that breaks into small squares
when broken with little to no splintering
Laminated glass - answer A layer of plastic in-between ordinary
window glass
When glass is immersed in a liquid of similar refractive index its
(blank) disappears and minimum contrast between the glass and
liquid is observed - answer Becke Line
Collected glass fragment evidence should be packaged in (blank)
containers - answer Solid
If an object is immersed in a liquid of greater density it will (blank) -
answer Float
(T or F) Color is a usual indication that substances selectively
absorb light - answer True
(T or F) frequency and wavelength are directly proportional to one
another - answer False
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