Question

The top and bottom parts of a cylindrical tube are in contact with each other. Which statement is correct?

• A. It is closed.
• B. It is open.
• C. It is closed and open at the same time.
• D. It is partially closed.

Hint:

In cylindrical tubes, when the top and bottom are in contact, they form a closed system.

Answer 1

The Correct Option is A

Step 1: Understanding the cylindrical tube.
When the top and bottom of a cylindrical tube are in contact, the tube is considered to be closed.
Step 2: Conclusion.
The correct statement is that the tube is closed.