Question

how does a picture appear on the screen of a TV,mobile ,laptop and a cinema theatre?

Answer 1

Answer:

Albert Einstein was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics. His work is also known for its influence on the philosophy of science

Answer 2

Answer:

LCD screens use a thin layer of liquid crystal, a liquid that exhibits crystalline properties. It is sandwiched in between two electrically conducting plates. The top plate is deposited with transparent electrodes and the back plate is illuminated so that the viewer can view the images on the screen.