Page 153 - Science Class 06
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Light
• Luminous and Non-Luminous Objects • Sources of Light
• Transparent, Translucent and Opaque Materials • Shadow
• Solar and Lunar Eclipse • Reflec on of Light • Image
• Regular and Irregular Reflec on
Light can be a number of different things,
depending on the circumstances. It can be
the glow from a light bulb in your bedroom
or the warm shining rays that beat down
from the sun. Light can
be natural or man- Luminous Objects
made, but no ma er
They are called non-luminous objects. The
how it is created, we
objects which do not produce light on their
u lise light every single
own are called non-luminous objects .
day. Throughout the
past century, there
have been a number of scien fic develop-
ments revolving around light.
LUMINOUS AND NON-LUMINOUS OBJECTS
To see an object we need light. A candle, a
torch, a lantern, an electric bulb or a tube Non-Luminous Objects
are also the sources of light. Objects which
The sun and stars are luminous bodies
give out or emit light are called luminous
because they give us light. But, moon is a
objects. But there are many other objects
non-luminous body. It does not give light, it
that cannot produce light such as paper,
just reflects the light of the sun, that falls
stones, wood, bricks, living organisms, etc.
on it.
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