Question

what is newtons rings law​

Answer 1

It is named for Isaac Newton, who investigated the effect in his 1704 "Opticks". When viewed with monochromatic light, Newton's ringsappear as a series of concentric, alternating bright and dark ringscentered at the point of contact between the two surfaces.

Answer 2

Newton's rings is a phenomenon in which an interference pattern is created by the reflection of light between two surfaces—a spherical surface and an adjacent touching flat surface. It is named for Isaac Newton, who investigated the effect in his 1704 "Opticks". When viewed with monochromatic light, Newton's rings appear as a series of concentric, alternating bright and dark rings centered at the point of contact between the two surfaces. When viewed with white light, it forms a concentric ring pattern of rainbow colors, because the different wavelengths of light interfere at different thicknesses of the air layer between the surfaces.