DoITPoMS Teaching and Learning Packages
Optical Microscopy and Specimen Preparation
Answer to Q6
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Contrast in reflected
microscopy tends to be caused by:
a |
Variations in topography and
differences in reflectivity
of areas.
Correct! |
b |
Only differences in
reflectivity of areas.
(Incorrect: it can also be
caused by topography.) |
c |
Only topography.
(Incorrect: it can also be
caused by differences in
reflectivity of areas.) |
d |
Variations in thickness of
the specimen.
(Incorrect: contrast is
caused by variations in
topography and differences
in reflectivity of areas.) |
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Department of Materials
Science and Metallurgy,
University of Cambridge |
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