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Related Flashcards
Cards In This Set
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What is glass made of
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Silicon oxides (sand) and metal oxides
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How is glass made
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Sand and metal oxides are melted and then cooled
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What is glass
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Yields an amorphous solid---> molecules are arranged in a random or disordered position but are still rigidly bound. hard and brittle
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Refractive index
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Measure of light bending due to change of velocity when traveling from one medium to another
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RI formula
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Velocity of light in vacuum/ velocity of light in medium
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Becke line
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A bright halo of light that appears around the perimeter of a particle when it is immersed in a liquid of a different refractive index.
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Beck line seen inside
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Glass has a higher RI and rays converge
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Intensive property
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A property that is not dependent on the size of the object glass----> density/RI
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Tempered glass
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Strengthened by introducing stress through rapid heating and cooling of glass surfaces
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When tempered glass breaks
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Doesnt shatter. fragments are in small squares. used in side and rear windows of us cars
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Laminated glass (safety)
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2 sheets of ordinary glass bounded together with plastic film. used with windshields of all us cars
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Auto headlights and resistant glass (pyrex)
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Has boron oxide in it aka borosilicate's
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Window and bottle glass
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Made of soda lime sand and following metal oxides:sodium, calcium, magnesium and aluminum
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Glass bends in response of
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Any force is exerted on it
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Over the elasticity limit...
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Glass fractures when
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