- In physics,
refraction is the
redirection of a wave as it p****es from one
medium to another. The
redirection can be
caused by the wave's
change in speed...
- des Brechungsverhältnisses is
index of
refraction Brewster,
David (1815). "On the
structure of
doubly refracting crystals".
Philosophical Magazine. 45...
-
Although large refracting telescopes were very po****r in the
second half of the 19th century, for most
research purposes, the
refracting telescope has...
-
modern telescopy in the 19th and
early 20th century.
Great refractors were
large refracting telescopes using achromatic lenses (as
opposed to the mirrors...
-
Refraction, in acoustics,
comparable to the
refraction of
electromagnetic radiation, is the
bending of
sound propagation trajectories (rays) in inhomogeneous...
-
typically have
blurry vision when
viewing distant objects because the eye is
refracting more than necessary.
Myopia can be
corrected with a
concave lens, which...
- In optics,
negative refraction is the
electromagnetic phenomenon where light rays
become refracted at an
interface that is
opposite to
their more commonly...
- This
refraction is due to the
velocity of
light through air
decreasing (the
refractive index increases) with
increased density.
Atmospheric refraction near...
-
possible conical refractions, one
internal and one external. For
internal refraction,
there are 4 directions, and for
external refraction,
there are 4 other...
- true in
refracting telescopes,
before the
invention of
achromatic objective lenses. In a
conducting medium,
permittivity and
index of
refraction are complex-valued...