Question

1.
An object that allows light to pass through it (almost) completely, is known as
a
object
2.
A shadow is observed, on a screen, when an
between it and a source of light.
object comes in,
3.
Shadows formed are always
object.
irrespective of the colour of the
4.
A
is a natural phenomenon that sometimes occurs on a new
moon day
5.
When light is reflected from a plane mirror, it changes its
propagation.
of​

Answer 1

Answer:

1. An object that allows complete light to pass through are called transparent objects.

2. A shadow is formed when an opaque object blocks the path of light to pass through. Shadows formed are always black in colour irrespective of the colour of the object .

4. A natural phenomenon that sometimes occurs on a new moon day is called a lunar eclipse.

5. when light is reflected from a plane surface it changes it's propagation of light also known as rectilinear propagation of light.

Answer 2

Answer:

1. TRANSPARENT

2.OPAQUE

3.BLACK

4.LUNAR ECLIPSE

5.RECTILENIAR PROPOGATION OF LIGHT

I hope it will help you