Question

why circular fringes are observed in newton's ring

Answer 1

ĀNSWĒR ⏬⏬



⭐ CIRCULAR FINGES : these  are formed using the Michelson interferometer.

✨These fringes are sometimes called fringes of equal inclination or Haidinger fringes.

⭐Because the experiment is usually done with a flat mirror, and a spherical lens; neither of these changes the situation for the light if we rotate them, so the resulting light pattern cannot change. The only patterns that do not change if we rotate them have circular symmetry, so the rings are circular.


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