Step 1: Understanding Circular Shapes and Motions.
A circular shape or motion follows a round path. Moving objects like the electric fan, eye ball, and cycle ring all follow circular paths. However, water falling from a tap follows a vertical path and is not circular.
Step 2: Verifying the Options.
- Option (1): A moving electric fan has circular motion.
- Option (2): The black eye ball moves in a circular motion.
- Option (3): A cycle ring is circular.
- Option (4): Water falling from a tap follows a downward, non
-circular motion.
Conclusion:
Therefore, the correct answer is (4) Water falling from a tap.
Find the number of triangles in the given figure.

$PQ$ is a chord of length $4\ \text{cm}$ of a circle of radius $2.5\ \text{cm}$. The tangents at $P$ and $Q$ intersect at a point $T$. Find the length of $TP$.