What is the length of a simple pendulum which ticks second?

Explanation

To find the length of a simple pendulum that ticks once every second, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Time Period of a Simple Pendulum**:
The time period \( T \) of a simple pendulum is given by the formula:
\[
T = 2\pi \sqrt{\frac{L}{g}}
...