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To explain the events that occur after radiation is absorbed by a substance, light must be characterized as:


A) A wave of constant frequency.
B) A wave of variable frequency.
C) A wave consisting of non-discrete particles.
D) A stream of discrete particles.

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________ glass is created by sandwiching one layer of plastic between two pieces of ordinary window glass.

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Which color of the visible spectrum has the highest frequency and the shortest wavelength?


A) Red
B) Green
C) Violet
D) Yellow

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C

The periodic table is a:


A) Forensic text table of contents.
B) Forensic newsletter issued periodically.
C) Special laboratory surface for multiphase experiments.
D) Chart listing all the known elements by name and symbol.

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The effect of gravity on the weight of an object is ________ the effect of gravity on the mass of the same object.


A) The same as
B) Less than
C) Greater than
D) None of the above

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Weight is a constant property of matter that reflects the amount of material present.

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Which of the following is an element?


A) Wood
B) Water
C) Aluminum
D) Air

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The fracture pattern of glass usually has:


A) Radial lines.
B) Concentric lines.
C) Radial and concentric lines.
D) Directional lines.

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The weight of an object can vary from one location to another while mass remains the same regardless of location.

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It is frequently possible to determine the sequence of impacts in glass by observing the existing fracture lines and their points of termination.

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The density of water at 60°F is ________ the density of water at 28°F.


A) Less than
B) Greater than
C) The same as
D) None of the above

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The more material one has, the less radiation it will absorb.

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Radial cracks form a Right angle on the Reverse side of the force is known as the ________ rule.

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The smallest unit of a(n)________ is an atom.

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The refractive index of a medium is determined by the ratio of:


A) Velocity of light in a vacuum to velocity of light in a medium.
B) Density of light in the medium to density of light in a vacuum.
C) Frequency of light in a vacuum to frequency of light in a medium.
D) Velocity of light in a vacuum to frequency of light in a medium.

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The basic unit of length in the metric system is the ________.

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Meter

Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)The separation of light into its component wavelengths B)A constant property of matter that reflects the amount of material present C)The behavior of a substance without alteration of the substance's composition through a chemical reaction D)A difference in the two indices of a refraction exhibited by most crystalline materials E)The bending of a light wave as it passes from one medium to another F)A property of matter that depends on both the mass of a substance and the effects of gravity on the mass G)A physical property of matter that is equivalent to the mass per unit volume of a substance H)Glass that is strengthened by introducing stress through rapid heating and cooling of the glass surfaces I)A crack in a glass that forms a rough circle around the point of impact J)A crack in a glass that extends outward like the spoke of a wheel from the point at which the glass was struck K)The behavior of a substance when it reacts or combines with another substance L)A property that is not dependent on the size of the object M)A bright halo that is observed near the border of a particle immersed in a liquid of a different refractive index N)Two sheets of ordinary glass bonded together with a plastic film -Intensive property

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L

One inch is equivalent to ________ centimeters.

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Match the word in Column 1 to its definition in Column 2. Each answer can only be used once. A)The separation of light into its component wavelengths B)A constant property of matter that reflects the amount of material present C)The behavior of a substance without alteration of the substance's composition through a chemical reaction D)A difference in the two indices of a refraction exhibited by most crystalline materials E)The bending of a light wave as it passes from one medium to another F)A property of matter that depends on both the mass of a substance and the effects of gravity on the mass G)A physical property of matter that is equivalent to the mass per unit volume of a substance H)Glass that is strengthened by introducing stress through rapid heating and cooling of the glass surfaces I)A crack in a glass that forms a rough circle around the point of impact J)A crack in a glass that extends outward like the spoke of a wheel from the point at which the glass was struck K)The behavior of a substance when it reacts or combines with another substance L)A property that is not dependent on the size of the object M)A bright halo that is observed near the border of a particle immersed in a liquid of a different refractive index N)Two sheets of ordinary glass bonded together with a plastic film -Birefringence

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________ index measures the speed of light in a vacuum to its speed in any given substance.

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