Tag Archives: convex lens

Newton’s Rings


Newton’s Rings

When a curved glass surface, such as a convex lens, is placed against a flat piece of glass and illuminated by monochromatic light, a series of alternating bright and dark concentric bands, known as Newton’s rings, appears around the point of contact between the curved and flat glass. Though several scientists had observed the phenomenon before him, it was named for Isaac Newton, who analyzed it in detail. Why are the outer rings usually spaced more closely together than the inner rings? More… Discuss