Cover Test. While there are many ways for your eye doctor to check how your eyes work together, the cover test is the simplest and most common. During a cover test, your eye doctor will ask you to focus on a small object across the room and will then cover each of your eyes alternately while you stare at the target.
Hooke's Law states that the restoring force of a spring is directly proportional to a small displacement. In equation form, we write. F = -kx. where x is the size of the displacement.
Robert Hooke, 17th century philosopher scientist, was the first to use the word 'cell' to describe a basic unit of life. Learn more at Biography.com. Robert Hooke is known as a Renaissance Man of 17th century England for his work in the sciences, which covered areas such as astronomy, physics and biology. Synopsis Born in Freshwater on England's Isle of Wight in 1635, scientist Robert Hooke was educated at Oxford and spent his career at the Royal Society and Gresham College.