Two slits separated by a distance of 1 mm are illuminated with red light of wavelength…
Physics · JEE Main · NTA Exams — Optics
Two slits separated by a distance of 1 mm are illuminated with red light of wavelength 6.5 × 10–7 m. The interference fringes are observed on a screen placed 1 m from the slits. The distance between third dark fringe and the fifth bright fringe is equal to
- 0.65 mm
- 1.63 mm
- 3.25 mm
- 4.88 mm
Answer
(B) 1.63 mm
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