Question

1.The sun is a _______ source of light.
2.A________ is a dark patch formed behind an opaque object .
4 .A shadow only shows the _________ of an object.
3.A smooth or regular surface reflects the light in _________ direction.
5. An opaque substance on which a shadow is formed is called a _____
fill in the blanks.​

Answer 1

$\textsf{Answer:-}$

1. The sun is an ultimate source of light.

2. A shadow is a dark patch formed behind an opaque object .

4 .A shadow only shows the shape of an object.

3.A smooth or regular surface reflects the light in one direction.

5. An opaque substance on which a shadow is formed is called a screen.