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Wave Optics question

2017 · 9 Apr · Shift 1 · Q55
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Wave Optics question

2017 · 9 Apr · Shift 1 · Q55

JEE MainPhysicsWave OpticsMCQ+4 / −1
A single slit of width 0.1 mm is illuminated by a parallel beam of light of wavelength 6000 A∘\mathop A\limits^ \circA∘​ and diffraction bands are observed on a screen 0.5 m from the slit. The distance of the third dark band from the central bright band is :
  1. A
    3 mm
  2. B
    9 mm
  3. C
    4.5 mm
  4. D
    1.5 mm
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