Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1
|
X-rays that are projected at a
painting
A) | are completely absorbed by the
materials | C) | are not absorbed by materials containing heavy elements
and are absorbed by materials made of lighter elements | B) | are not absorbed by materials containing light elements and are absorbed by
materials made of heavier elements | D) | are not absorbed at all by the
materials |
|
|
|
2
|
The “ground layer” of a painting
is
A) | a layer made of finely ground
pigments | C) | a protective top coat | B) | a layer that depicts the ground | D) | a primer
layer |
|
|
|
3
|
Scientists determined that painting F614 could not
have been painted by Van Gogh because
A) | chemical analysis of the pigments didn’t match
what he would have used | C) | the brush strokes did not match known
paintings by him | B) | the material the
canvas was made of did not match what he would have used | D) | the number of
threads in each direction did not match the type of canvas he
used |
|
|
|
4
|
FTIR spectroscopy used what form of
radiation?
A) | X-rays | C) | Microwaves | B) | Ultraviolet | D) | Infrared |
|
|
|
5
|
In FTIR, strong bonds between light
atoms
A) | don’t vibrate at all | C) | vibrate slowly, corresponding to a high frequency | B) | vibrate rapidly, corresponding to a high frequency | D) | vibrate rapidly,
corresponding to a low frequency |
|
|
|
6
|
FTIR allows scientists to identify chemical
compounds because
A) | each compound has its own characteristic pattern of
light absorption at a specific frequency | C) | molecules stop moving at specific frequencies | B) | each compound has its own characteristic pattern of light absorption at
different frequencies | D) | each compound randomly changes its pattern of light
absorption at different frequencies |
|
|
|
7
|
Scientists determined that paintings discovered by
Alex Matter could not have been painted by Jackson Pollock because
A) | the material the canvas was made of did not match what
he would have used | C) | chemical analysis of the pigments
didn’t match what he would have used | B) | the brush strokes
did not match known paintings by him | D) | the number of threads in each direction did not match
the type of canvas he used |
|