Question

APER-I A light of wavelength 575nm falls on a double slit and the third order bright frinze is seen at angle of 6.5°. What is the separation between the double slit ? (Given that sin 6.5° = 0.1132) (A) 5.0 um (B) 10.0 um (C) 15.0 um (D) 20.0 um​

Answer 1

Explanation:

(C) 15.0 um

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