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SCIENCE GRADE 7
Behavior of light and its sources (science)
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The nature of light is a different theories were
proposed
the
behaivour
of light
stream of
particles
are called
corposcles
Newtoon
believed that light behaves like a
particles
christian huggens
proposed that light behaves like a
wave
Max planck proposed a theory know as
Dual-nature of light
Light behaves both as a
wave
and as a
particle
light travels in a
straight
path
Shadows
are formed when an
object blocks
the path of light
Luminous
have their own source of
light
Luminous
can be natural light or
artificial
light
Nonluminous
is an object that only reflect
light
from a light source for it to be seen
Transmission of light occurs
light
wave passes through
bounces
off or absorbs by object
Opaque
is an object that do not allow
light
to pass through, But absorbs it instead
Translucent
is an object that allow
light
to pass through them partially
Transparent
is an object that allow
light
to pass through them completely
Brightness
of light is called
intensity
brightness
of light is dependent on the source and
distance
from the source
The
nature of light
as a particles explains why intensity changes with
distance
Photons
are the
particles
of light
photons
are closer at the
light
source