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Wave Optics question

2019 · 9 Jan · Shift 2 · Q60
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Wave Optics question

2019 · 9 Jan · Shift 2 · Q60

JEE MainPhysicsWave OpticsMCQ+4 / −1
In a Young's double slit experiment, the slits are placed 0.320 mm apart. Light of wavelength λ\lambdaλ= 500 nm is incident on the slits. The total number of bright fringes that are observed in the angular range −-− 30o ≤θ≤\le \theta \le≤θ≤ 30o is :
  1. A
    640
  2. B
    320
  3. C
    321
  4. D
    641
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