Question

A light of wavelength 440 nm in a biprism experiment gives 65 fringes in a given region.
When a light of wavelength 550 nm is used, the number of fringes in the same region will
be:
1) 45
2) 76
3) 52
4) 81​

Answer 1

Answer:

4)81 or 2)76

Explanation:

Ham ko lagata ha ke ya tono ma sa koye v answer ho ga