Question

Army people can see their enemies while hiding themselves with the help of periscopes. Write about the use of periscope for their security.

Answer 1

1. If the soldier is infront of his enemy, there will be a danger to his life. 

2. Army people make use of periscope to see their enemies by hiding themselves. 

3. This periscope is a gift made by making use of the properties of mirrors. 

4. I really appreciate the utility of the periscope.