5
quartz
6
Light shines through optical flat materials
pyrex
such as ______ , ______ , and _____ because these
transparent
materials are __________ for clear vision.
round
flat
12
mating
13
The arrows in Figure 2 were included to
identify the ______ ______ of the optical flat.
surface
19
20
In addition to its being _____________ and
having a low temperature __________ of _________
No Response Needed
_________, the mating ___________ of these
round discs of quartz can be ground and polished
until they are nearly ___________ ___________ .
26
color
27
When monochromatic light rays are directed
toward the mating ________ of a gage block and
an optical flat as shown in Figure 3, _________
rays are reflected.
34
bands
11.6
Go to page 57.
Figure 3. A monochromatic light source.
41
thick
42
When the air gap is widest, as at C in
foldout-10,
the
number
of
bands
will
be
widely
_________.
The bands will be more _______ , and more _______
spaced
_____________ .
55
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