Question

Why length of second pendulum is 0.994m?​

Answer 1

Answer:

Yes.......

Explanation:

Huygens was inspired by investigations of pendulums by Galileo Galilei beginning around 1602. ... The seconds pendulum (also called the Royal pendulum), 0.994 m (39.1 in) long, in which each swing takes one second, became widely used in quality clocks

Answer 2

Answer:

The seconds pendulum (also called the Royal pendulum), 0.994 m (39.1 in) long, in which each swing takes one second, became widely used in quality clocks. The long narrow clocks built around these pendulums, first made by William Clement around 1680, became known as grandfather clocks.