46
line
47
You always begin at the ______ ______ ______
when you count ____________ ______ in a flatness
of
____________ measurement.
contact
53
straight
54
The statement in frame 53 is true. A ______
constant
surface will produce __________ __________ which
slope
are ________ . A surface with a _______ _______
evenly
will produce bands which are _______ _______.
spaced
61
closer
62
The flatness _______ at a given point is the
product of the _______ of ____________ _________,
slope
counted from the line (point) of contact to the
measurement point, and _____ _____ wavelength of
the light used in the measurement.
68
point
69
The interference bands at B and C moved
contact
______ from the _______ of ______ .
increased
number
closer
76
optical
77
Block B of foldout-14 is higher than the
standard by an amount equal to h, where h repre-
flat
sents the _______ in the _______ of the two
blocks.
height
84
85
You have completed your study of two opti-
cal flat applications. The first application is
the use of optical flats in determining the gage
block ________ ________ of two blocks.
54
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