Question

What is the difference between the fringe pattern produced by Lloyd’s single mirror & Fresnel bi-prism​

Answer 1

Explanation:

⭐Difference between Fresnel's biprism and Lloyd's mirror fringes: ... In Lloyd's mirror a few fringes on one side of the central fringes are observed, the central fringe being itself invisible. (ii) In biprism the central fringe is bright whereas in case of Llod's mirror, it is dark.⭐