Refraction occurs because light
bends through a lens. A lens is a
piece of transparent material. It
is usually made of glass and has
at least one curved surface.The
curved surface of a lens bends
the light.This might cause white
light into colours (rainbow).
Examples
The prism
The
magniyfing
glass
opaque
impenetrable to light, by
not allowing light to pass
through.
Examples
An apple
A cardboard
transparent
Transparent is when
light passes though
an object/substance
Examples
Glass
Transparent
Plastic
translucent
Translucent is when
an object lets some
light pass through it
and absobes some so
it is not really clear
what you see through
it
Examples
Translucent
plastic
Translucent
glass
diffraction
Diffraction occurs when
light bends around an
obstacle or spreads
through an opening
Examples
Spaced
tracks on a
CD
An object
partially
submerge
in water
reflection
Reflection is
something that
can be seen in
another surface