Question

1. Light is a form of
2. The light ray may be objects self-light or
3. We can see the object because the
enters in our eyes.
4. Wood and cardboard are
materials
that light cannot travel through.
5. Glass is a
material which allows light
to pass through.
6. Tissue paper is
which will let some
light pass through.
7. When object blocks out light, a
Is
formed.
8. Bulb and tube light are objects which emit light
of their own because they are
objects.
9. Shadow of Earth is called
10.Shadow depends upon
of the object.​

Answer 1

Answer:

light is a form of electric