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paper 2
topic 6
wave boundaries
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Created by
Emily
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Cards (8)
what is a refraction in a wave?
when the wave crosses to a new
medium
at an angle (not 90 degrees). the change of
wave
speed
causes the
direction
to change so it appears to bend
what is absorption in a wave?
when the wave meets a
new material
and the
energy
is absorbed
what is reflection in a wave?
when the wave hits a
flat
surface and
bounces
off
what is transmission in a wave?
waves
travelling
through a
new
material
in
reflection
of light -> the angle of
incident
is equal to the angle of
reflection
at a wave boundary the
speed
and
wavelength
stays the same and the
frequency
changes
if the wave enters a
less
optically dense material the speed of the wave
speeds
up
and the light is refracted
further
from the
normal
line
id the wave enters a
optically dense
material the speed of the wave
slows down
and the light is refracted
closer
from the
normal
line
