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Fused quartz: Quiz


Question 1: Its low ________ also makes it a useful material for precision mirror substrates.
Coefficient of thermal expansionCopperAluminiumSilver

Question 2: Fused quartz is prone to phosphorescence and "solarization" (purplish discoloration) under intense UV illumination, as is often seen in ________.
FlashtubeFluorescent lampIncandescent light bulbGas-discharge lamp

Question 3: ________: >1018 Ω×m

Question 4: Fused quartz has nearly ideal properties for fabricating first surface ________ such as those used in telescopes.

Question 5: ________: 2.203 g/cm3

Question 6: Fused quartz and fused silica are types of ________ containing primarily silica in amorphous (non-crystalline) form.
Cranberry glassMACORGlassBorosilicate glass

Question 7: Specially prepared fused silica is also the key starting material used to make ________ for telecommunications.
Transparency and translucencyGlassOpticsOptical fiber

Question 8: This results in a transparent glass with an ultra-high purity and improved optical transmission in the deep ________.
Electromagnetic spectrumVisible spectrumUltravioletX-ray

Question 9: For these reasons, it finds use in situations such as ________ fabrication and laboratory equipment.
PhysicsCondensed matter physicsSemiconductorQuantum mechanics

Question 10: However, its ________ transmission is limited by strong water absorptions at 2.2 μm and 2.7 μm.
InfraredX-rayUltravioletElectromagnetic spectrum


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