Question

Light of wavelength 6.5 × 10⁻⁷ m is made incident on two
slits 1 mm apart. The distance between third dark fringe and
fifth bright fringe on a screen distant 1 m from the slits will
be
(a) 0.325 mm (b) 0.65 mm
(c) 1.625 mm (d) 3.25 mm

Answer 1

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