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Wave Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
In a Young's double slit experiment, the fringe width will remain same, if (D = distance between screen and plane of slits, d = separation between two slits and λ = wavelength of light used)
  • A
     Both λ and D are doubled
  • ✓
    Both d and D are doubled
  • C
    D is doubled but d is halved
  • D
     λ is doubled but d is halved
✓

Answer

Correct option: B.
Both d and D are doubled
Both d and D are doubled

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