最終更新日
：2023/09/06
Fermat's principle
name
The
link
between
ray
optics
and
wave
optics,
stating
(in
its
original
strong
form)
that
the
path
taken
by
a
ray
between
two
given
points
is
the
path
that
can
be
travelled
in
the
least
time,
or
(in
a
weaker
form
that
is
true
for
all
cases)
in
a
time
that
is
"stationary"
with
respect
to
variations
of
the
path
—
so
that
a
deviation
in
the
path
causes,
at
most,
a
second-order
change
in
the
traversal
time.
意味（1）
The
link
between
ray
optics
and
wave
optics,
stating
(in
its
original
strong
form)
that
the
path
taken
by
a
ray
between
two
given
points
is
the
path
that
can
be
travelled
in
the
least
time,
or
(in
a
weaker
form
that
is
true
for
all
cases)
in
a
time
that
is
"stationary"
with
respect
to
variations
of
the
path
—
so
that
a
deviation
in
the
path
causes,
at
most,
a
second-order
change
in
the
traversal
time.
復習用の問題
正解を見る
The link between ray optics and wave optics, stating (in its original strong form) that the path taken by a ray between two given points is the path that can be travelled in the least time, or (in a weaker form that is true for all cases) in a time that is stationary
with respect to variations of the path — so that a deviation in the path causes, at most, a second-order change in the traversal time.
Fermat's principle is a fundamental concept that establishes the link between ray optics and wave optics.
正解を見る
Fermat's principle is a fundamental concept that establishes the link between ray optics and wave optics.
English Dictionary
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