Question

to replace a bright fringe by the next bright fringe in Michelson's interferometer the moveable mirror through a distance equal to_________
1. λ/4
2.λ/2
3.2λ
4.λ​ explanation needed don't spam if the explanation is correct one will be marked as brainliest​

Answer 1

Answer:

Generate straight line fringes, inclined fringes, elliptical fringes and circular fringes. At each stage, move one mirror and record how the fringes change. Align the circular fringes such that the centre is at the cen\ tre of the field of view. Michelson Interferometer

Explanation: