Since a plano-convex lens is being used in Newton's Rings .. that's why=the fringes are seen circular from above, on the glass plate.=
Cornu's fringes are hyperbolic because they are formed due to the interference of light waves that are not perfectly spherical when they meet at an angle. Newton's rings are circular because they are formed by the interference of light waves that are spherical in shape due to reflection between a flat glass surface and a convex lens.
sodium light
By definition, rings are circular. Therefore, if they were squares, they would not be rings!
rings start collapsing to the centre
Earthworm.
newtons rings
by things growing annually in a circular fashion
if we use glass plate then ring's will be clear
Well, honey, Newton rings are circular in shape because they are formed due to the interference of light waves reflected between a flat surface and a convex lens. The circular shape is a result of the varying thickness of the air gap between the two surfaces, causing constructive and destructive interference patterns. So, in simpler terms, those rings are just a fancy dance of light waves showing off their interference skills in a circular fashion.
Wire can be used in the process of making rings by shaping and bending it into a circular form to create the band of the ring.
They are called "rings". Each "ring" indicates a seasons growth. So by counting the rings the age of the tree is apparent.
to coil or rotate an object around a central axis in a circular or spiral shape.